Andrew Reed
/
CITY1082-i2c_master_wifi_mqtt
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Diff: middleware-emwin/Sample/Application/Bounce.c
- Revision:
- 5:f62a9e4a499a
diff -r 7ebc3d28bcb2 -r f62a9e4a499a middleware-emwin/Sample/Application/Bounce.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/middleware-emwin/Sample/Application/Bounce.c Sat Nov 13 12:02:49 2021 +0000
@@ -0,0 +1,1850 @@
+/*********************************************************************
+* SEGGER Microcontroller GmbH *
+* Solutions for real time microcontroller applications *
+**********************************************************************
+* *
+* (c) 1996 - 2018 SEGGER Microcontroller GmbH *
+* *
+* Internet: www.segger.com Support: support@segger.com *
+* *
+**********************************************************************
+
+** emWin V5.48 - Graphical user interface for embedded applications **
+All Intellectual Property rights in the Software belongs to SEGGER.
+emWin is protected by international copyright laws. Knowledge of the
+source code may not be used to write a similar product. This file may
+only be used in accordance with the following terms:
+
+The software has been licensed to Cypress Semiconductor Corporation,
+whose registered office is situated at 198 Champion Ct. San Jose, CA
+95134 USA solely for the purposes of creating libraries for Cypress
+PSoC3 and PSoC5 processor-based devices, sublicensed and distributed
+under the terms and conditions of the Cypress End User License
+Agreement.
+Full source code is available at: www.segger.com
+
+We appreciate your understanding and fairness.
+----------------------------------------------------------------------
+Licensing information
+Licensor: SEGGER Microcontroller Systems LLC
+Licensed to: Cypress Semiconductor Corp, 198 Champion Ct., San Jose, CA 95134, USA
+Licensed SEGGER software: emWin
+License number: GUI-00319
+License model: Services and License Agreement, signed June 10th, 2009
+Licensed platform: Any Cypress platform (Initial targets are: PSoC3, PSoC5)
+----------------------------------------------------------------------
+Support and Update Agreement (SUA)
+SUA period: 2009-06-12 - 2022-07-27
+Contact to extend SUA: sales@segger.com
+----------------------------------------------------------------------
+File : Bounce.c
+Purpose : Bouncing balls demo
+---------------------------END-OF-HEADER------------------------------
+*/
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <malloc.h>
+#include <math.h>
+
+#include "DIALOG.h"
+
+/*********************************************************************
+*
+* Define
+*
+**********************************************************************
+*/
+#define ID_WINDOW_0 (GUI_ID_USER + 0x00)
+#define ID_BUTTON_0 (GUI_ID_USER + 0x01)
+#define ID_BUTTON_1 (GUI_ID_USER + 0x02)
+#define ID_BUTTON_2 (GUI_ID_USER + 0x03)
+#define ID_CHECKBOX_0 (GUI_ID_USER + 0x04)
+#define ID_CHECKBOX_1 (GUI_ID_USER + 0x05)
+#define ID_TEXT_0 (GUI_ID_USER + 0x06)
+#define ID_SLIDER_0 (GUI_ID_USER + 0x07)
+
+#define MIN_RANDOM_V 0 // Minimum velocity (x or y) to be used in generating random balls
+#define MAX_RANDOM_V 80 // Maximum velocity (x or y) to be used in generating random balls
+#define MIN_RANDOM_R 5 // Minimum radius to be used in generating random balls
+#define MAX_RANDOM_R 40 // Maximum radius to be used in generating random balls
+#define M_PI 3.1415926f
+#define M_TO_A_RATIO 0.1f // Ratio of mass to area used in generating random balls
+
+#define TIME_SLICE 20
+#define NUM_BALLS 10
+#define GRAVITY 100
+
+#define XSIZE_SPLASH 220
+#define YSIZE_SPLASH 120
+#define PERIOD_SPLASH 3000
+
+#if GUI_VERSION < 54400
+ #define WM_USER_DATA (WM_USER + 0)
+#endif
+
+/*********************************************************************
+*
+* Types
+*
+**********************************************************************
+*/
+enum Wall { WALL_NONE, WALL_X1, WALL_Y1, WALL_X2, WALL_Y2 };
+enum Type { TYPE_NONE, TYPE_WALL, TYPE_BALL };
+
+typedef struct {
+ float x, y;
+} VECTOR;
+
+typedef struct {
+ float x1, y1, x2, y2;
+} WALLS;
+
+typedef struct BALL BALL;
+
+struct BALL {
+ VECTOR p; // Position
+ VECTOR v; // Velocity
+ float m; // Mass
+ float r; // Radius
+ U32 Index; // Normally used as color
+ int Id; // ID
+ BALL * pNext;
+};
+
+typedef struct {
+ int CollisionType;
+ int WhichWall;
+ float TimeToCollision;
+} COLLISION;
+
+typedef struct {
+ int xPos, yPos;
+ int xSize, ySize;
+ void (* pfDrawBk) (WM_HWIN hWin, void * pConfig);
+ void (* pfDrawBall)(WM_HWIN hWin, void * pConfig, U32 Index, float x, float y, float r);
+ unsigned Range;
+ unsigned * pRadius;
+ unsigned NumBalls;
+ float vMin, vMax;
+ float rMin, rMax;
+ unsigned TimeSlice;
+ float Gravity;
+ int HasBallGravity;
+ int HasGroundGravity;
+ int HasInitialVelocity;
+ GUI_COLOR ColorBk; // Used if pfDrawBk() not set
+} BALLSIM_CONFIG;
+
+typedef struct {
+ BALL * pFirstBall; // Stores all the balls
+ int HasWalls; // Have wall boundaries been set?
+ WALLS Walls;
+ int NextId; // Next ID to assign to an added ball
+ unsigned MaxCollisions; // Max number of collisions per frame in advanceSim
+ unsigned MaxCollisionsPerBall; // Max number of collisions per frame based on the number of balls
+ float MinArea; // Minimum area within walls
+ float MaxDiameter; // Maximum diameter out of all the balls
+ unsigned NumBalls;
+ BALLSIM_CONFIG * pConfig;
+} BALLSIM;
+
+/*********************************************************************
+*
+* Static (const) data
+*
+**********************************************************************
+*/
+static GUI_CONST_STORAGE GUI_COLOR _ColorsSeggerLogo_80x40[] = {
+#if (GUI_USE_ARGB == 0)
+ 0x000000, 0xFFFFFF, 0x292929, 0x5F5F5F,
+ 0x96433D, 0xB0726E, 0xCACACA, 0xF8F3F3,
+ 0xD7D7D7, 0xEBDCDB, 0x363636, 0x9D4F49,
+ 0xAA6661, 0x949494, 0xA1A1A1, 0xB77E7A,
+ 0x444444, 0xBD8A86, 0xD1ADAA, 0xE4E4E4,
+ 0xF2F2F2, 0x6C6C6C, 0x797979, 0xA35B55,
+ 0xD8B9B6, 0xAFAFAF, 0xBCBCBC, 0xF2E8E7,
+ 0x515151, 0xCBA19E, 0xE5D0CF, 0x878787,
+ 0xC49592, 0xDEC4C2
+#else
+ 0xFF000000, 0xFFFFFFFF, 0xFF292929, 0xFF5F5F5F,
+ 0xFF3D4396, 0xFF6E72B0, 0xFFCACACA, 0xFFF3F3F8,
+ 0xFFD7D7D7, 0xFFDBDCEB, 0xFF363636, 0xFF494F9D,
+ 0xFF6166AA, 0xFF949494, 0xFFA1A1A1, 0xFF7A7EB7,
+ 0xFF444444, 0xFF868ABD, 0xFFAAADD1, 0xFFE4E4E4,
+ 0xFFF2F2F2, 0xFF6C6C6C, 0xFF797979, 0xFF555BA3,
+ 0xFFB6B9D8, 0xFFAFAFAF, 0xFFBCBCBC, 0xFFE7E8F2,
+ 0xFF515151, 0xFF9EA1CB, 0xFFCFD0E5, 0xFF878787,
+ 0xFF9295C4, 0xFFC2C4DE
+#endif
+
+};
+
+static GUI_CONST_STORAGE GUI_LOGPALETTE _PalSeggerLogo_80x40 = {
+ 34, // Number of entries
+ 1, // Has transparency
+ &_ColorsSeggerLogo_80x40[0]
+};
+
+static GUI_CONST_STORAGE unsigned char _acSeggerLogo_80x40[] = {
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x0A, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
+ 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x0A, 0x02, 0x02,
+ 0x02, 0x02, 0x08, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x08, 0x02, 0x02,
+ 0x02, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02,
+ 0x02, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02,
+ 0x02, 0x03, 0x01, 0x01, 0x21, 0x0F, 0x09, 0x01, 0x01, 0x01, 0x01, 0x09, 0x11, 0x09, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02,
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+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02,
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+};
+
+static GUI_CONST_STORAGE GUI_BITMAP _bmSeggerLogo_80x40 = {
+ 80, // xSize
+ 40, // ySize
+ 80, // BytesPerLine
+ 8, // BitsPerPixel
+ _acSeggerLogo_80x40, // Pointer to picture data (indices)
+ &_PalSeggerLogo_80x40 // Pointer to palette
+};
+
+static GUI_CONST_STORAGE unsigned char acGUI_Font32_AA4_Bounce_0042[152] = { /* code 0042, LATIN CAPITAL LETTER B */
+ 0x5E, 0xFF, 0xFF, 0xFF, 0xFE, 0xC7, 0x00, 0x00,
+ 0xDF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xC1, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF9, 0x00,
+ 0xFF, 0xFF, 0x00, 0x00, 0x19, 0xFF, 0xFE, 0x00,
+ 0xFF, 0xFF, 0x00, 0x00, 0x01, 0xFF, 0xFF, 0x00,
+ 0xFF, 0xFF, 0x00, 0x00, 0x01, 0xFF, 0xFE, 0x00,
+ 0xFF, 0xFF, 0x00, 0x00, 0x19, 0xFF, 0xFA, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xD2, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFB, 0x00,
+ 0xFF, 0xFF, 0x00, 0x00, 0x04, 0xDF, 0xFF, 0x70,
+ 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x4F, 0xFF, 0xC0,
+ 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x0F, 0xFF, 0xF0,
+ 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x0F, 0xFF, 0xF0,
+ 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x4F, 0xFF, 0xC0,
+ 0xFF, 0xFF, 0x00, 0x00, 0x04, 0xDF, 0xFF, 0x80,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0x10,
+ 0xDF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xD3, 0x00,
+ 0x6E, 0xFF, 0xFF, 0xFF, 0xFE, 0xB6, 0x00, 0x00
+};
+
+static GUI_CONST_STORAGE unsigned char acGUI_Font32_AA4_Bounce_0063[ 84] = { /* code 0063, LATIN SMALL LETTER C */
+ 0x00, 0x06, 0xBE, 0xFE, 0xB6, 0x00,
+ 0x01, 0xCF, 0xFF, 0xFF, 0xFF, 0xC1,
+ 0x0B, 0xFF, 0xFF, 0xFF, 0xFF, 0xFB,
+ 0x5F, 0xFF, 0xE4, 0x02, 0xBF, 0xFF,
+ 0xAF, 0xFF, 0x60, 0x00, 0x1B, 0xF8,
+ 0xEF, 0xFF, 0x20, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00,
+ 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00,
+ 0xEF, 0xFF, 0x20, 0x00, 0x00, 0x00,
+ 0xBF, 0xFF, 0x70, 0x00, 0x1A, 0xF8,
+ 0x5F, 0xFF, 0xE4, 0x02, 0xBF, 0xFF,
+ 0x0C, 0xFF, 0xFF, 0xFF, 0xFF, 0xFA,
+ 0x01, 0xCF, 0xFF, 0xFF, 0xFF, 0xB1,
+ 0x00, 0x07, 0xCF, 0xFE, 0xB5, 0x00
+};
+
+static GUI_CONST_STORAGE unsigned char acGUI_Font32_AA4_Bounce_0065[ 98] = { /* code 0065, LATIN SMALL LETTER E */
+ 0x00, 0x06, 0xCE, 0xFE, 0xB6, 0x00, 0x00,
+ 0x01, 0xCF, 0xFF, 0xFF, 0xFF, 0xC1, 0x00,
+ 0x0C, 0xFF, 0xFF, 0xFF, 0xFF, 0xFC, 0x00,
+ 0x5F, 0xFF, 0xD3, 0x03, 0xDF, 0xFF, 0x60,
+ 0xBF, 0xFF, 0x50, 0x00, 0x4F, 0xFF, 0xB0,
+ 0xEF, 0xFF, 0x10, 0x00, 0x1F, 0xFF, 0xE0,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xA0,
+ 0xDF, 0xFF, 0x10, 0x00, 0x00, 0x00, 0x00,
+ 0xAF, 0xFF, 0x50, 0x00, 0x00, 0x00, 0x00,
+ 0x5F, 0xFF, 0xE4, 0x00, 0x4B, 0xFB, 0x00,
+ 0x0B, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0x00,
+ 0x01, 0xCF, 0xFF, 0xFF, 0xFF, 0xE3, 0x00,
+ 0x00, 0x06, 0xCE, 0xFE, 0xB7, 0x10, 0x00
+};
+
+static GUI_CONST_STORAGE unsigned char acGUI_Font32_AA4_Bounce_006E[ 84] = { /* code 006E, LATIN SMALL LETTER N */
+ 0x6E, 0xE5, 0x06, 0xCF, 0xEB, 0x30,
+ 0xEF, 0xFC, 0x9F, 0xFF, 0xFF, 0xF3,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFA,
+ 0xFF, 0xFF, 0xC2, 0x08, 0xFF, 0xFE,
+ 0xFF, 0xFF, 0x30, 0x02, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+ 0xEF, 0xFE, 0x00, 0x00, 0xEF, 0xFE,
+ 0x6E, 0xE6, 0x00, 0x00, 0x6E, 0xE6
+};
+
+static GUI_CONST_STORAGE unsigned char acGUI_Font32_AA4_Bounce_006F[ 98] = { /* code 006F, LATIN SMALL LETTER O */
+ 0x00, 0x04, 0xAD, 0xFF, 0xDA, 0x40, 0x00,
+ 0x01, 0xAF, 0xFF, 0xFF, 0xFF, 0xFA, 0x10,
+ 0x0A, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xA0,
+ 0x4F, 0xFF, 0xF6, 0x11, 0x6F, 0xFF, 0xF4,
+ 0xAF, 0xFF, 0x70, 0x00, 0x07, 0xFF, 0xFA,
+ 0xDF, 0xFF, 0x30, 0x00, 0x03, 0xFF, 0xFD,
+ 0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF,
+ 0xDF, 0xFF, 0x30, 0x00, 0x03, 0xFF, 0xFD,
+ 0xAF, 0xFF, 0x70, 0x00, 0x07, 0xFF, 0xFA,
+ 0x4F, 0xFF, 0xF6, 0x11, 0x6F, 0xFF, 0xF4,
+ 0x0A, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xA0,
+ 0x01, 0xAF, 0xFF, 0xFF, 0xFF, 0xFA, 0x10,
+ 0x00, 0x04, 0xAD, 0xFF, 0xDA, 0x40, 0x00
+};
+
+static GUI_CONST_STORAGE unsigned char acGUI_Font32_AA4_Bounce_0075[ 84] = { /* code 0075, LATIN SMALL LETTER U */
+ 0x6E, 0xE6, 0x00, 0x00, 0x6E, 0xE6,
+ 0xEF, 0xFE, 0x00, 0x00, 0xEF, 0xFE,
+ 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0x10, 0x03, 0xFF, 0xFF,
+ 0xEF, 0xFF, 0x80, 0x2C, 0xFF, 0xFF,
+ 0xAF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0x3F, 0xFF, 0xFF, 0xF9, 0xCF, 0xFE,
+ 0x04, 0xBF, 0xFC, 0x60, 0x5E, 0xE6
+};
+
+static GUI_CONST_STORAGE GUI_CHARINFO_EXT GUI_Font32_AA4_Bounce_CharInfo[6] = {
+ { 15, 19, 2, 7, 18, acGUI_Font32_AA4_Bounce_0042 } /* code 0042, LATIN CAPITAL LETTER B */
+ ,{ 12, 14, 1, 12, 14, acGUI_Font32_AA4_Bounce_0063 } /* code 0063, LATIN SMALL LETTER C */
+ ,{ 13, 14, 1, 12, 15, acGUI_Font32_AA4_Bounce_0065 } /* code 0065, LATIN SMALL LETTER E */
+ ,{ 12, 14, 2, 12, 16, acGUI_Font32_AA4_Bounce_006E } /* code 006E, LATIN SMALL LETTER N */
+ ,{ 14, 14, 1, 12, 16, acGUI_Font32_AA4_Bounce_006F } /* code 006F, LATIN SMALL LETTER O */
+ ,{ 12, 14, 2, 12, 16, acGUI_Font32_AA4_Bounce_0075 } /* code 0075, LATIN SMALL LETTER U */
+};
+
+static GUI_CONST_STORAGE GUI_FONT_PROP_EXT GUI_Font32_AA4_Bounce_Prop5 = {
+ 0x0075 /* first character */
+ ,0x0075 /* last character */
+ ,&GUI_Font32_AA4_Bounce_CharInfo[ 5] /* address of first character */
+ ,(GUI_CONST_STORAGE GUI_FONT_PROP_EXT *)0 /* pointer to next GUI_FONT_PROP_EXT */
+};
+
+static GUI_CONST_STORAGE GUI_FONT_PROP_EXT GUI_Font32_AA4_Bounce_Prop4 = {
+ 0x006E /* first character */
+ ,0x006F /* last character */
+ ,&GUI_Font32_AA4_Bounce_CharInfo[ 3] /* address of first character */
+ ,&GUI_Font32_AA4_Bounce_Prop5 /* pointer to next GUI_FONT_PROP_EXT */
+};
+
+static GUI_CONST_STORAGE GUI_FONT_PROP_EXT GUI_Font32_AA4_Bounce_Prop3 = {
+ 0x0065 /* first character */
+ ,0x0065 /* last character */
+ ,&GUI_Font32_AA4_Bounce_CharInfo[ 2] /* address of first character */
+ ,&GUI_Font32_AA4_Bounce_Prop4 /* pointer to next GUI_FONT_PROP_EXT */
+};
+
+static GUI_CONST_STORAGE GUI_FONT_PROP_EXT GUI_Font32_AA4_Bounce_Prop2 = {
+ 0x0063 /* first character */
+ ,0x0063 /* last character */
+ ,&GUI_Font32_AA4_Bounce_CharInfo[ 1] /* address of first character */
+ ,&GUI_Font32_AA4_Bounce_Prop3 /* pointer to next GUI_FONT_PROP_EXT */
+};
+
+static GUI_CONST_STORAGE GUI_FONT_PROP_EXT GUI_Font32_AA4_Bounce_Prop1 = {
+ 0x0042 /* first character */
+ ,0x0042 /* last character */
+ ,&GUI_Font32_AA4_Bounce_CharInfo[ 0] /* address of first character */
+ ,&GUI_Font32_AA4_Bounce_Prop2 /* pointer to next GUI_FONT_PROP_EXT */
+};
+
+static GUI_CONST_STORAGE GUI_FONT GUI_Font32_AA4_Bounce = {
+ GUI_FONTTYPE_PROP_AA4_EXT /* type of font */
+ ,32 /* height of font */
+ ,32 /* space of font y */
+ ,1 /* magnification x */
+ ,1 /* magnification y */
+ ,{&GUI_Font32_AA4_Bounce_Prop1}
+ ,26 /* Baseline */
+ ,14 /* Height of lowercase characters */
+ ,19 /* Height of capital characters */
+};
+
+static const GUI_WIDGET_CREATE_INFO _aDialogCreate[] = {
+ { WINDOW_CreateIndirect, "Window", ID_WINDOW_0, 0, 0, 280, 130, 0, 0x0, 0 },
+ { BUTTON_CreateIndirect, "Button", ID_BUTTON_0, 10, 10, 120, 20, 0, 0x0, 0 },
+ { BUTTON_CreateIndirect, "Button", ID_BUTTON_1, 10, 40, 120, 20, 0, 0x0, 0 },
+ { BUTTON_CreateIndirect, "Button", ID_BUTTON_2, 10, 100, 260, 20, 0, 0x0, 0 },
+ { CHECKBOX_CreateIndirect, "Checkbox", ID_CHECKBOX_0, 150, 40, 120, 20, 0, 0x0, 0 },
+ { CHECKBOX_CreateIndirect, "Checkbox", ID_CHECKBOX_1, 150, 10, 120, 20, 0, 0x0, 0 },
+ { TEXT_CreateIndirect, "Text", ID_TEXT_0, 10, 73, 120, 20, 0, 0x64, 0 },
+ { SLIDER_CreateIndirect, "Slider", ID_SLIDER_0, 150, 70, 120, 20, 0, 0x0, 0 },
+};
+
+/*********************************************************************
+*
+* Static code: Helper(s)
+*
+**********************************************************************
+*/
+/*********************************************************************
+*
+* _Square
+*/
+static float _Square(float x) {
+ return x * x;
+}
+
+/*********************************************************************
+*
+* _GetRandomNumber
+*/
+static float _GetRandomNumber(float min, float max) {
+ return (max - min) * rand() / RAND_MAX + min;
+}
+
+#ifdef WIN32
+static size_t _AllocatedBytes;
+#endif
+
+/*********************************************************************
+*
+* _Free
+*/
+static void _Free(void * p) {
+#ifdef WIN32
+ _AllocatedBytes -= _msize(p);
+#endif
+ free(p);
+}
+
+/*********************************************************************
+*
+* _Calloc
+*/
+static void * _Calloc(size_t Num, size_t Size) {
+ void * p;
+ p = calloc(Num, Size);
+#ifdef WIN32
+ _AllocatedBytes += _msize(p);
+#endif
+ return calloc(Num, Size);
+}
+
+/*********************************************************************
+*
+* Static code: VECTOR
+*
+**********************************************************************
+*/
+/*********************************************************************
+*
+* _VECTOR_Create
+*/
+static VECTOR * _VECTOR_Create(float x, float y) {
+ VECTOR * pVectorNew;
+
+ pVectorNew = (VECTOR *)_Calloc(sizeof(VECTOR), 1);
+ pVectorNew->x = x;
+ pVectorNew->y = y;
+ return pVectorNew;
+}
+
+/*********************************************************************
+*
+* _VECTOR_CreateCopy
+*/
+static VECTOR * _VECTOR_CreateCopy(VECTOR * pVector) {
+ return _VECTOR_Create(pVector->x, pVector->y);
+}
+
+/*********************************************************************
+*
+* _VECTOR_CreateCopyPlus
+*/
+static VECTOR * _VECTOR_CreateCopyPlus(VECTOR * pVector, VECTOR * pVector1) {
+ return _VECTOR_Create(pVector->x + pVector1->x, pVector->y + pVector1->y);
+}
+
+/*********************************************************************
+*
+* _VECTOR_CreateCopyMinus
+*/
+static VECTOR * _VECTOR_CreateCopyMinus(VECTOR * pVector, VECTOR * pVector1) {
+ return _VECTOR_Create(pVector->x - pVector1->x, pVector->y - pVector1->y);
+}
+
+/*********************************************************************
+*
+* _VECTOR_CreateCopyMult
+*/
+static VECTOR * _VECTOR_CreateCopyMult(VECTOR * pVector, float c) {
+ return _VECTOR_Create(pVector->x * c, pVector->y * c);
+}
+
+/*********************************************************************
+*
+* _VECTOR_Delete
+*/
+static void _VECTOR_Delete(VECTOR * pVector) {
+ _Free(pVector);
+}
+
+/*********************************************************************
+*
+* _VECTOR_SetX
+*/
+static void _VECTOR_SetX(VECTOR * pVector, float x) {
+ pVector->x = x;
+}
+
+/*********************************************************************
+*
+* _VECTOR_SetY
+*/
+static void _VECTOR_SetY(VECTOR * pVector, float y) {
+ pVector->y = y;
+}
+
+/*********************************************************************
+*
+* _VECTOR_SetXY
+*/
+static void _VECTOR_SetXY(VECTOR * pVector, float x, float y) {
+ pVector->x = x;
+ pVector->y = y;
+}
+
+/*********************************************************************
+*
+* _VECTOR_Magnitude
+*/
+static float _VECTOR_Magnitude(VECTOR * pVector) {
+ return sqrt(pVector->x * pVector->x + pVector->y * pVector->y);
+}
+
+/*********************************************************************
+*
+* _VECTOR_CreateUnitVector
+*/
+static VECTOR * _VECTOR_CreateUnitVector(VECTOR * pVector) {
+ VECTOR * pVectorNew;
+ float Mag;
+
+ Mag = _VECTOR_Magnitude(pVector);
+ if (Mag != 0.f) {
+ pVectorNew = _VECTOR_Create(pVector->x / Mag, pVector->y / Mag);
+ } else {
+ pVectorNew = _VECTOR_Create(0.f, 0.f);
+ }
+ return pVectorNew;
+}
+
+/*********************************************************************
+*
+* _VECTOR_DotProduct
+*/
+static float _VECTOR_DotProduct(VECTOR * pVector, VECTOR * pVector1) {
+ float DotProduct;
+
+ DotProduct = pVector->x * pVector1->x + pVector->y * pVector1->y;
+ return DotProduct;
+}
+
+/*********************************************************************
+*
+* Static code: WALLS
+*
+**********************************************************************
+*/
+/*********************************************************************
+*
+* _WALLS_Create
+*/
+static WALLS * _WALLS_Create(float x1, float y1, float x2, float y2) {
+ WALLS * pWall;
+
+ pWall = (WALLS *)_Calloc(sizeof(WALLS), 1);
+ pWall->x1 = x1;
+ pWall->y1 = y1;
+ pWall->x2 = x2;
+ pWall->y2 = y2;
+ return pWall;
+}
+
+/*********************************************************************
+*
+* _WALLS_CreateEmpty
+*/
+static WALLS * _WALLS_CreateEmpty(void) {
+ return _WALLS_Create(0.f, 0.f, 0.f, 0.f);
+}
+
+/*********************************************************************
+*
+* Static code: BALL
+*
+**********************************************************************
+*/
+/*********************************************************************
+*
+* _BALL_Create
+*/
+static BALL * _BALL_Create(void) {
+ BALL * pBall;
+
+ pBall = (BALL *)_Calloc(sizeof(BALL), 1);
+ pBall->m = 0.f;
+ pBall->r = 0.f;
+ return pBall;
+}
+
+/*********************************************************************
+*
+* _BALL_AdvanceBallPosition
+*/
+static void _BALL_AdvanceBallPosition(BALL * pBall, const float dt) {
+ _VECTOR_SetXY(&pBall->p, pBall->p.x + pBall->v.x * dt, pBall->p.y + pBall->v.y * dt);
+}
+
+/*********************************************************************
+*
+* _BALL_DoBallGravity
+*/
+static void _BALL_DoBallGravity(BALL * pb0, BALL * pb1, const float dt, float g) {
+ VECTOR * v_n;
+ VECTOR * v_un;
+ float r, f, a0, a1, v0, v1;
+
+ v_n = _VECTOR_CreateCopyMinus(&pb0->p, &pb1->p); // v_n = normal vec. - a vector normal to the collision surface
+ v_un = _VECTOR_CreateUnitVector(v_n); // unit normal vector
+ r = _VECTOR_Magnitude(v_n);
+ f = g * (pb0->m * pb1->m) / (r * r);
+ a0 = f / pb0->m;
+ a1 = f / pb1->m;
+ v0 = a0 * dt;
+ v1 = a1 * dt;
+ _VECTOR_SetXY(&pb0->v, pb0->v.x - v_un->x * v0, pb0->v.y - v_un->y * v0);
+ _VECTOR_SetXY(&pb1->v, pb1->v.x + v_un->x * v1, pb1->v.y + v_un->y * v1);
+ _VECTOR_Delete(v_n);
+ _VECTOR_Delete(v_un);
+}
+
+/*********************************************************************
+*
+* _BALL_DoGroundGravity
+*/
+static void _BALL_DoGroundGravity(BALL * pb, const float dt, float g) {
+ _VECTOR_SetY(&pb->v, pb->v.y + g * dt * 0.95);
+}
+
+/*********************************************************************
+*
+* Static code: COLLISION
+*
+**********************************************************************
+*/
+/*********************************************************************
+*
+* _COLLISION_Reset
+*/
+static void _COLLISION_Reset(COLLISION * pCollision) {
+ pCollision->CollisionType = TYPE_NONE;
+ pCollision->WhichWall = WALL_NONE;
+ pCollision->TimeToCollision = 0.f;
+}
+
+/*********************************************************************
+*
+* _COLLISION_Create
+*/
+static COLLISION * _COLLISION_Create(void) {
+ COLLISION * pCollision;
+
+ pCollision = (COLLISION *)_Calloc(sizeof(COLLISION), 1);
+ _COLLISION_Reset(pCollision);
+ return pCollision;
+}
+
+/*********************************************************************
+*
+* _COLLISION_SetCollisionWithWall
+*/
+static void _COLLISION_SetCollisionWithWall(COLLISION * pCollision, const float t, int WhichWall) {
+ pCollision->CollisionType = TYPE_WALL;
+ pCollision->WhichWall = WhichWall;
+ pCollision->TimeToCollision = t;
+}
+
+/*********************************************************************
+*
+* _COLLISION_SetCollisionWithBall
+*/
+static void _COLLISION_SetCollisionWithBall(COLLISION * pCollision, const float t) {
+ pCollision->CollisionType = TYPE_BALL;
+ pCollision->WhichWall = WALL_NONE;
+ pCollision->TimeToCollision = t;
+}
+
+/*********************************************************************
+*
+* _COLLISION_Ball1HasCollision
+*/
+static int _COLLISION_Ball1HasCollision(COLLISION * pCollision) {
+ return pCollision->CollisionType != TYPE_NONE;
+}
+
+/*********************************************************************
+*
+* _COLLISION_Ball2HasCollision
+*/
+static int _COLLISION_Ball2HasCollision(COLLISION * pCollision) {
+ return pCollision->CollisionType == TYPE_BALL;
+}
+
+/*********************************************************************
+*
+* _COLLISION_Ball1HasCollisionWithWall
+*/
+static int _COLLISION_Ball1HasCollisionWithWall(COLLISION * pCollision) {
+ return pCollision->CollisionType == TYPE_WALL;
+}
+
+/*********************************************************************
+*
+* _COLLISION_Ball1HasCollisionWithBall
+*/
+static int _COLLISION_Ball1HasCollisionWithBall(COLLISION * pCollision) {
+ return pCollision->CollisionType == TYPE_BALL;
+}
+
+/*********************************************************************
+*
+* _COLLISION_GetCollisionWall
+*/
+static int _COLLISION_GetCollisionWall(COLLISION * pCollision) {
+ return (int)pCollision->WhichWall;
+}
+
+/*********************************************************************
+*
+* _COLLISION_FindTimeUntilTwoBallsCollide
+*
+* Function description:
+* Finds the time until two specified balls collide. If they don't collide,
+* the returned Collision will indicate that. If the balls are overlapping
+* a collision is NOT detected.
+*/
+static COLLISION _COLLISION_FindTimeUntilTwoBallsCollide(const BALL * pb1, const BALL * pb2) {
+ COLLISION clsn = {0};
+ float a, b, c, det, t;
+
+ // Compute parts of quadratic formula
+ //
+ // a = (v2x - v1x) ^ 2 + (v2y - v1y) ^ 2
+ //
+ a = _Square(pb2->v.x - pb1->v.x) + _Square(pb2->v.y - pb1->v.y);
+ //
+ // b = 2 * ((x20 - x10) * (v2x - v1x) + (y20 - y10) * (v2y - v1y))
+ //
+ b = 2.f * ((pb2->p.x - pb1->p.x) * (pb2->v.x - pb1->v.x) + (pb2->p.y - pb1->p.y) * (pb2->v.y - pb1->v.y));
+ //
+ // c = (x20 - x10) ^ 2 + (y20 - y10) ^ 2 - (r1 + r2) ^ 2
+ //
+ c = _Square(pb2->p.x - pb1->p.x) + _Square(pb2->p.y - pb1->p.y) - _Square(pb1->r + pb2->r);
+ //
+ // Determinant = b^2 - 4ac
+ //
+ det = _Square(b) - 4 * a * c;
+ if (a != 0.f) { // If a == 0 then v2x==v1x and v2y==v1y and there will be no collision
+ t = (-b - sqrt(det)) / (2. * a); // Quadratic formula. t = time to collision
+ if (t >= 0.) { // If collision occurs...
+ _COLLISION_SetCollisionWithBall(&clsn, t);
+ }
+ }
+ return clsn;
+}
+
+/*********************************************************************
+*
+* _COLLISION_FindTimeUntilBallCollidesWithWall
+*
+* Function description:
+* Finds time until specified ball collides with any wall. If they
+* don't collide, the returned Collision indicates that. If there
+* will be collisions with more than one wall, this function returns
+* the earliest collision.
+*
+* IMPORTANT: This function assumes that the ball is bounded within
+* the specified walls.
+*/
+static COLLISION _COLLISION_FindTimeUntilBallCollidesWithWall(const BALL * pb, const WALLS * pw) {
+ COLLISION clsn = {0};
+ float timeToCollision;
+ float t;
+ int whichWall;
+
+ timeToCollision = 0.f;
+ whichWall = WALL_NONE;
+ //
+ // Check for collision with wall X1
+ //
+ if (pb->v.x < 0.f) {
+ t = (pb->r - pb->p.x + pw->x1) / pb->v.x;
+ if (t >= 0.f) { // If t < 0 then ball is headed away from wall
+ timeToCollision = t;
+ whichWall = WALL_X1;
+ }
+ }
+ //
+ // Check for collision with wall Y1
+ //
+ if (pb->v.y < 0.f) {
+ t = (pb->r - pb->p.y + pw->y1) / pb->v.y;
+ if (t >= 0.f) {
+ if (whichWall == WALL_NONE || t < timeToCollision) {
+ timeToCollision = t;
+ whichWall = WALL_Y1;
+ }
+ }
+ }
+ //
+ // Check for collision with wall X2
+ //
+ if (pb->v.x > 0.f) {
+ t = (pw->x2 - pb->r - pb->p.x) / pb->v.x;
+ if (t >= 0.f) {
+ if (whichWall == WALL_NONE || t < timeToCollision) {
+ timeToCollision = t;
+ whichWall = WALL_X2;
+ }
+ }
+ }
+ //
+ // Check for collision with wall Y2
+ //
+ if (pb->v.y > 0.f) {
+ t = (pw->y2 - pb->r - pb->p.y) / pb->v.y;
+ if (t >= 0.f) {
+ if (whichWall == WALL_NONE || t < timeToCollision) {
+ timeToCollision = t;
+ whichWall = WALL_Y2;
+ }
+ }
+ }
+ //
+ // Setup Collision return value
+ //
+ if (whichWall != WALL_NONE) { // If there is a collision...
+ _COLLISION_SetCollisionWithWall(&clsn, timeToCollision, whichWall);
+ }
+ return clsn;
+}
+
+/*********************************************************************
+*
+* _COLLISION_DoElasticCollisionTwoBalls
+*
+* Function description:
+* Updates the velocities of b1 and b2 to reflect the effect of an elastic
+* collision between the two. IMPORTANT: This function does NOT check the
+* positions of the balls to see if they're actually colliding. It just
+* assumes that they are. Use findTimeUntilTwoBallsCollide() to see
+* if the balls are colliding.
+*/
+static void _COLLISION_DoElasticCollisionTwoBalls(BALL * pb1, BALL * pb2) {
+ VECTOR * v_n;
+ VECTOR * v_un;
+ VECTOR * v_ut;
+ VECTOR * v_v1nPrime;
+ VECTOR * v_v1tPrime;
+ VECTOR * v_v2nPrime;
+ VECTOR * v_v2tPrime;
+ float v1n, v1t, v2n, v2t;
+ float v1tPrime, v2tPrime;
+ float v1nPrime, v2nPrime;
+
+ //
+ // Avoid division by zero below in computing new normal velocities
+ // Doing a collision where both balls have no mass makes no sense anyway
+ //
+ if ((pb1->m == 0.f) && (pb2->m == 0.f)) {
+ return;
+ }
+ //
+ // Compute unit normal and unit tangent vectors
+ //
+ v_n = _VECTOR_CreateCopyMinus(&pb2->p, &pb1->p); // v_n = normal vec. - a vector normal to the collision surface
+ v_un = _VECTOR_CreateUnitVector(v_n); // unit normal vector
+ v_ut = _VECTOR_Create(-v_un->y, v_un->x); // unit tangent vector
+ //
+ // Compute scalar projections of velocities onto v_un and v_ut
+ //
+ v1n = _VECTOR_DotProduct(v_un, &pb1->v); // Dot product
+ v1t = _VECTOR_DotProduct(v_ut, &pb1->v);
+ v2n = _VECTOR_DotProduct(v_un, &pb2->v);
+ v2t = _VECTOR_DotProduct(v_ut, &pb2->v);
+ //
+ // Compute new tangential velocities
+ //
+ v1tPrime = v1t; // Note: in reality, the tangential velocities do not change after the collision
+ v2tPrime = v2t;
+ //
+ // Compute new normal velocities using one-dimensional elastic collision equations in the normal direction
+ // Division by zero avoided. See early return above.
+ //
+ v1nPrime = (v1n * (pb1->m - pb2->m) + 2.f * pb2->m * v2n) / (pb1->m + pb2->m);
+ v2nPrime = (v2n * (pb2->m - pb1->m) + 2.f * pb1->m * v1n) / (pb1->m + pb2->m);
+ //
+ // Compute new normal and tangential velocity vectors
+ //
+ v_v1nPrime = _VECTOR_CreateCopyMult(v_un, v1nPrime); // Multiplication by a scalar
+ v_v1tPrime = _VECTOR_CreateCopyMult(v_ut, v1tPrime);
+ v_v2nPrime = _VECTOR_CreateCopyMult(v_un, v2nPrime);
+ v_v2tPrime = _VECTOR_CreateCopyMult(v_ut, v2tPrime);
+ //
+ // Set new velocities in x and y coordinates
+ //
+ _VECTOR_SetXY(&pb1->v, v_v1nPrime->x + v_v1tPrime->x, v_v1nPrime->y + v_v1tPrime->y);
+ _VECTOR_SetXY(&pb2->v, v_v2nPrime->x + v_v2tPrime->x, v_v2nPrime->y + v_v2tPrime->y);
+ //
+ // CleanUp
+ //
+ _VECTOR_Delete(v_n);
+ _VECTOR_Delete(v_un);
+ _VECTOR_Delete(v_ut);
+ _VECTOR_Delete(v_v1nPrime);
+ _VECTOR_Delete(v_v1tPrime);
+ _VECTOR_Delete(v_v2nPrime);
+ _VECTOR_Delete(v_v2tPrime);
+}
+
+/*********************************************************************
+*
+* _COLLISION_DoElasticCollisionWithWall
+*/
+static void _COLLISION_DoElasticCollisionWithWall(BALL * pb, int w) {
+ switch (w) {
+ case WALL_X1:
+ _VECTOR_SetX(&pb->v, fabs(pb->v.x));
+ break;
+ case WALL_Y1:
+ _VECTOR_SetY(&pb->v, fabs(pb->v.y));
+ break;
+ case WALL_X2:
+ _VECTOR_SetX(&pb->v, -fabs(pb->v.x));
+ break;
+ case WALL_Y2:
+ _VECTOR_SetY(&pb->v, -fabs(pb->v.y));
+ break;
+ }
+}
+
+/*********************************************************************
+*
+* Static code: BALLSIM
+*
+**********************************************************************
+*/
+/*********************************************************************
+*
+* _BALLSIM_ResetBalls
+*/
+static void _BALLSIM_ResetBalls(BALLSIM * pBallsim) {
+ BALL * pBalli;
+ BALL * pBalld;
+
+ pBallsim->NextId = 0; // Reset ID counter
+ pBallsim->MinArea = 0.;
+ pBallsim->MaxDiameter = 0.;
+ pBallsim->MaxCollisions = 10; // This will be overwritten on the first call to addBall()
+ //
+ // Delete all balls
+ //
+ pBalli = pBallsim->pFirstBall;
+ while (pBalli) {
+ pBalld = pBalli;
+ pBalli = pBalli->pNext;
+ _Free(pBalld);
+ }
+}
+
+/*********************************************************************
+*
+* _BALLSIM_Create
+*/
+static BALLSIM * _BALLSIM_Create(void) {
+ BALLSIM * pBallsim;
+
+ pBallsim = (BALLSIM *)_Calloc(sizeof(BALLSIM), 1);
+ pBallsim->HasWalls = 0;
+ pBallsim->MaxCollisionsPerBall = 10;
+ _BALLSIM_ResetBalls(pBallsim);
+ return pBallsim;
+}
+
+/*********************************************************************
+*
+* _BALLSIM_AdvanceBallPositions
+*/
+static void _BALLSIM_AdvanceBallPositions(BALLSIM * pBallsim, const float dt) {
+ BALL * pBalli;
+
+ pBalli = pBallsim->pFirstBall;
+ while (pBalli) {
+ _BALL_AdvanceBallPosition(pBalli, dt);
+ pBalli = pBalli->pNext;
+ }
+}
+
+/*********************************************************************
+*
+* BALLSSIM_FindEarliestCollisionOfTwoBalls
+*/
+static COLLISION BALLSSIM_FindEarliestCollisionOfTwoBalls(BALLSIM * pBallsim, BALL ** ppb1, BALL ** ppb2) {
+ COLLISION earliestCollision;
+ COLLISION c;
+ BALL * pBalli;
+ BALL * pBallj;
+
+ _COLLISION_Reset(&earliestCollision);
+ //
+ // Compare each pair of balls. Index i runs from the first
+ // ball up through the second-to-last ball. For each value of
+ // i, index j runs from the ball after i up through the last ball.
+ //
+ pBalli = pBallsim->pFirstBall;
+ while (pBalli) {
+ pBallj = pBallsim->pFirstBall;
+ while (pBallj) {
+ c = _COLLISION_FindTimeUntilTwoBallsCollide(pBalli, pBallj);
+ if (_COLLISION_Ball1HasCollisionWithBall(&c)) {
+ if (!_COLLISION_Ball1HasCollision(&earliestCollision) || c.TimeToCollision < earliestCollision.TimeToCollision) {
+ earliestCollision = c;
+ *ppb1 = pBalli;
+ *ppb2 = pBallj;
+ }
+ }
+ pBallj = pBallj->pNext;
+ }
+ pBalli = pBalli->pNext;
+ }
+ return earliestCollision;
+}
+
+/*********************************************************************
+*
+* BALLSSIM_FindEarliestCollisionWithWall
+*/
+static COLLISION BALLSSIM_FindEarliestCollisionWithWall(BALLSIM * pBallsim, BALL ** ppb) {
+ COLLISION earliestCollision;
+ COLLISION c;
+ BALL * pBalli;
+
+ _COLLISION_Reset(&earliestCollision);
+ //
+ // If there are no walls, return no collision
+ //
+ if (!pBallsim->HasWalls) {
+ return earliestCollision;
+ }
+ //
+ // Check each ball to see if any collide. Store the earliest colliding ball.
+ //
+ pBalli = pBallsim->pFirstBall;
+ while (pBalli) {
+ c = _COLLISION_FindTimeUntilBallCollidesWithWall(pBalli, &pBallsim->Walls);
+ if (_COLLISION_Ball1HasCollisionWithWall(&c)) {
+ if (!_COLLISION_Ball1HasCollision(&earliestCollision) || c.TimeToCollision < earliestCollision.TimeToCollision) {
+ earliestCollision = c;
+ *ppb = pBalli;
+ }
+ }
+ pBalli = pBalli->pNext;
+ }
+ return earliestCollision;
+}
+
+/*********************************************************************
+*
+* BALLSSIM_FindEarliestCollision
+*/
+static COLLISION BALLSSIM_FindEarliestCollision(BALLSIM * pBallsim, BALL ** ppb1, BALL ** ppb2) {
+ COLLISION earliestCollision;
+ COLLISION cWalls;
+ BALL * pbCollideWithWall;
+
+ earliestCollision = BALLSSIM_FindEarliestCollisionOfTwoBalls(pBallsim, ppb1, ppb2);
+ if (pBallsim->HasWalls) {
+ cWalls = BALLSSIM_FindEarliestCollisionWithWall(pBallsim, &pbCollideWithWall);
+ if (_COLLISION_Ball1HasCollisionWithWall(&cWalls)) {
+ if (!_COLLISION_Ball1HasCollisionWithBall(&earliestCollision) || cWalls.TimeToCollision < earliestCollision.TimeToCollision) {
+ earliestCollision = cWalls;
+ *ppb1 = pbCollideWithWall;
+ }
+ }
+ }
+ return earliestCollision;
+}
+
+/*********************************************************************
+*
+* _BALLSIM_AdvanceBallGravity
+*/
+static void _BALLSIM_AdvanceBallGravity(BALLSIM * pBallsim, const float dt) {
+ BALL * pBalli;
+ BALL * pBallj;
+
+ pBalli = pBallsim->pFirstBall;
+ while (pBalli) {
+ pBallj = pBalli->pNext;
+ while (pBallj) {
+ _BALL_DoBallGravity(pBalli, pBallj, dt, pBallsim->pConfig->Gravity);
+ pBallj = pBallj->pNext;
+ }
+ pBalli = pBalli->pNext;
+ }
+}
+
+/*********************************************************************
+*
+* _BALLSIM_AdvanceGroundGravity
+*/
+static void _BALLSIM_AdvanceGroundGravity(BALLSIM * pBallsim, const float dt) {
+ BALL * pBalli;
+
+ pBalli = pBallsim->pFirstBall;
+ while (pBalli) {
+ _BALL_DoGroundGravity(pBalli, dt, pBallsim->pConfig->Gravity);
+ pBalli = pBalli->pNext;
+ }
+}
+
+/*********************************************************************
+*
+* BALLSSIM_AdvanceSim
+*/
+static void BALLSSIM_AdvanceSim(BALLSIM * pBallsim, const float dt) {
+ float tElapsed;
+ COLLISION c;
+ BALL * pb1;
+ BALL * pb2;
+ unsigned i;
+
+ tElapsed = 0.f;
+ for (i = 0; i < pBallsim->MaxCollisions; i++) {
+ //
+ // Find earliest collision
+ //
+ c = BALLSSIM_FindEarliestCollision(pBallsim, &pb1, &pb2);
+ //
+ // If no collisions, break
+ //
+ if (!_COLLISION_Ball1HasCollision(&c)) {
+ break;
+ }
+ //
+ // Is collision within the time frame?
+ // Note: condition is tElapsed + timeToCollision strictly < dt, not <=, because if the two were exactly
+ // equal, we would perform the velocity adjustment for collision but not move the balls any more, so the
+ // collision could be detected again on the next call to advanceSim().
+ //
+ if (tElapsed + c.TimeToCollision < dt) {
+ //
+ // Collision is within time frame
+ // Advance balls to point of collision
+ //
+ _BALLSIM_AdvanceBallPositions(pBallsim, c.TimeToCollision);
+ //
+ // Collision is now occuring. Do collision calculation
+ //
+ if (_COLLISION_Ball1HasCollisionWithWall(&c)) {
+ _COLLISION_DoElasticCollisionWithWall(pb1, c.WhichWall);
+ } else if (_COLLISION_Ball1HasCollisionWithBall(&c)) {
+ _COLLISION_DoElasticCollisionTwoBalls(pb1, pb2);
+ }
+ tElapsed += c.TimeToCollision; // Move time counter forward
+ } else {
+ break; // Break if collision is not within this frame
+ }
+ }
+ //
+ // Advance ball positions further if necessary after any collisions to complete the time frame
+ //
+ _BALLSIM_AdvanceBallPositions(pBallsim, dt - tElapsed);
+ //
+ // Manage ball gravity
+ //
+ if (pBallsim->pConfig->HasBallGravity) {
+ _BALLSIM_AdvanceBallGravity(pBallsim, dt);
+ }
+ //
+ // Manage ground gravity
+ //
+ if (pBallsim->pConfig->HasGroundGravity) {
+ _BALLSIM_AdvanceGroundGravity(pBallsim, dt);
+ }
+}
+
+/*********************************************************************
+*
+* BALLSSIM_MoveBallToWithinBounds
+*/
+static void BALLSSIM_MoveBallToWithinBounds(BALLSIM * pBallsim, BALL * pb) {
+ //
+ // Check wall X1
+ //
+ if (pb->p.x - pb->r < pBallsim->Walls.x1) {
+ _VECTOR_SetX(&pb->p, pBallsim->Walls.x1 + pb->r);
+ }
+ //
+ // Check wall Y1
+ //
+ if (pb->p.y - pb->r < pBallsim->Walls.y1) {
+ _VECTOR_SetY(&pb->p, pBallsim->Walls.y1 + pb->r);
+ }
+ //
+ // Check wall X2
+ //
+ if (pb->p.x + pb->r > pBallsim->Walls.x2) {
+ _VECTOR_SetX(&pb->p, pBallsim->Walls.x2 - pb->r);
+ }
+ //
+ // Check wall Y2
+ //
+ if (pb->p.y + pb->r > pBallsim->Walls.y2) {
+ _VECTOR_SetY(&pb->p, pBallsim->Walls.y2 - pb->r);
+ }
+}
+
+/*********************************************************************
+*
+* BALLSSIM_MoveWalls
+*/
+static void BALLSSIM_MoveWalls(BALLSIM * pBallsim, const WALLS * pNewWalls) {
+ BALL * pBalli;
+
+ pBallsim->Walls = *pNewWalls;
+ pBallsim->HasWalls = 1;
+ pBalli = pBallsim->pFirstBall;
+ while (pBalli) {
+ BALLSSIM_MoveBallToWithinBounds(pBallsim, pBalli);
+ pBalli = pBalli->pNext;
+ }
+}
+
+/*********************************************************************
+*
+* BALLSSIM_GetMinWallDimension
+*/
+static float BALLSSIM_GetMinWallDimension(BALLSIM * pBallsim, float fixedWallDimension) {
+ float minDimension;
+
+ minDimension = 0.f;
+ if (fixedWallDimension > 0.f) {
+ minDimension = 4.f * pBallsim->MinArea / fixedWallDimension;
+ }
+ if (minDimension <= pBallsim->MaxDiameter) {
+ minDimension = pBallsim->MaxDiameter + 1;
+ }
+ return minDimension;
+}
+
+/*********************************************************************
+*
+* BALLSSIM_AddBall
+*/
+static void BALLSSIM_AddBall(BALLSIM * pBallsim, BALL * pNewBall) {
+ BALL * pBalli;
+
+ pBallsim->NumBalls = 0;
+ pBalli = pBallsim->pFirstBall;
+ if (pBalli) {
+ pBallsim->NumBalls++;
+ while (pBalli->pNext) {
+ pBallsim->NumBalls++;
+ pBalli = pBalli->pNext;
+ }
+ pBallsim->NumBalls++;
+ pBalli->pNext = pNewBall;
+ } else {
+ pBallsim->NumBalls++;
+ pBallsim->pFirstBall = pNewBall;
+ pNewBall->pNext = NULL;
+ }
+ pBallsim->MaxCollisions = pBallsim->MaxCollisionsPerBall * pBallsim->NumBalls;
+ BALLSSIM_MoveBallToWithinBounds(pBallsim, pNewBall);
+ if (pNewBall->r * 2.f > pBallsim->MaxDiameter) {
+ pBallsim->MaxDiameter = pNewBall->r * 2.f;
+ pBallsim->MinArea += 4.f * pNewBall->r * pNewBall->r;
+ }
+}
+
+/*********************************************************************
+*
+* _BALLSIM_GetBallFromPos
+*/
+static BALL * _BALLSIM_GetBallFromPos(BALLSIM * pBallsim, float xPos, float yPos) {
+ float d, dx, dy;
+ BALL * pBalli;
+
+ pBalli = pBallsim->pFirstBall;
+ while (pBalli) {
+ dx = xPos - pBalli->p.x;
+ dy = yPos - pBalli->p.y;
+ d = sqrt(dx * dx + dy * dy);
+ if (d < pBalli->r) {
+ return pBalli;
+ }
+ pBalli = pBalli->pNext;
+ }
+ return NULL;
+}
+
+/*********************************************************************
+*
+* _BALLSIM_DeleteBall
+*/
+static void _BALLSIM_DeleteBall(BALLSIM * pBallsim, BALL * pBall) {
+ BALL * pBalli;
+ BALL * pBallPrev = NULL;
+
+ pBalli = pBallsim->pFirstBall;
+ while (pBalli) {
+ if (pBalli == pBall) {
+ if (pBallPrev) {
+ pBallPrev->pNext = pBalli->pNext;
+ } else {
+ pBallsim->pFirstBall = pBallsim->pFirstBall->pNext;
+ }
+ pBallsim->NumBalls--;
+ _Free(pBall);
+ break;
+ }
+ pBallPrev = pBalli;
+ pBalli = pBalli->pNext;
+ }
+}
+
+/*********************************************************************
+*
+* _BALLSIM_StopMoving
+*/
+static void _BALLSIM_StopMoving(BALLSIM * pBallsim) {
+ BALL * pBalli;
+
+ pBalli = pBallsim->pFirstBall;
+ while (pBalli) {
+ _VECTOR_SetXY(&pBalli->v, 0.f, 0.f);
+ pBalli = pBalli->pNext;
+ }
+}
+
+/*********************************************************************
+*
+* _BALLSIM_Delete
+*/
+static void _BALLSIM_Delete(BALLSIM * pBallsim) {
+ _BALLSIM_ResetBalls(pBallsim);
+ _Free(pBallsim);
+}
+
+/*********************************************************************
+*
+* Static code: Ballsim Window
+*
+**********************************************************************
+*/
+/*********************************************************************
+*
+* _UpdateDisplay
+*/
+static void _UpdateDisplay(WM_HWIN hWin, BALLSIM * pBallsim) {
+ BALL * pBalli;
+ U32 Color;
+
+ //
+ // Draw background
+ //
+ if (pBallsim->pConfig->pfDrawBk) {
+ pBallsim->pConfig->pfDrawBk(hWin, pBallsim->pConfig);
+ } else {
+ GUI_SetBkColor(pBallsim->pConfig->ColorBk);
+ GUI_Clear();
+ }
+ //
+ // Draw all balls
+ //
+ pBalli = pBallsim->pFirstBall;
+ while (pBalli) {
+ if (pBallsim->pConfig->pfDrawBall) {
+ pBallsim->pConfig->pfDrawBall(hWin, pBallsim->pConfig, pBalli->Index, pBalli->p.x, pBalli->p.y, pBalli->r);
+ } else {
+ Color = GUI_MAKE_COLOR(pBalli->Index);
+ GUI_SetColor(Color);
+ GUI_FillCircle(pBalli->p.x, pBalli->p.y, pBalli->r);
+ }
+ pBalli = pBalli->pNext;
+ }
+}
+
+/*********************************************************************
+*
+* _AddRandomBalls
+*/
+static void _AddRandomBalls(BALLSIM * pBallsim) {
+ unsigned i, PosOccupied, Cnt;
+ float d, dx, dy;
+ BALL * pBall;
+ BALL * pBalli;
+ BALLSIM_CONFIG * pConfig;
+
+ pConfig = pBallsim->pConfig;
+ for (i = 0; i < pConfig->NumBalls; i++) {
+ pBall = _BALL_Create();
+ if (pBallsim->pConfig->HasInitialVelocity) {
+ pBall->v.x = _GetRandomNumber(pConfig->vMin, pConfig->vMax);
+ pBall->v.y = _GetRandomNumber(pConfig->vMin, pConfig->vMax);
+ }
+ pBall->Index = (U32)_GetRandomNumber(0, pConfig->Range);
+ if (pConfig->pRadius) {
+ pBall->r = *(pConfig->pRadius + pBall->Index);
+ } else {
+ pBall->r = _GetRandomNumber(pConfig->rMin, pConfig->rMax);
+ }
+ pBall->m = M_TO_A_RATIO * M_PI * pBall->r * pBall->r;
+ //
+ // Generate legal position
+ //
+ Cnt = 0;
+ do {
+ pBall->p.x = _GetRandomNumber((float)pBall->r, (float)(pConfig->xSize) - pBall->r);
+ pBall->p.y = _GetRandomNumber((float)pBall->r, (float)(pConfig->ySize) - pBall->r);
+ PosOccupied = 0;
+ pBalli = pBallsim->pFirstBall;
+ while (pBalli) {
+ dx = pBalli->p.x - pBall->p.x;
+ dy = pBalli->p.y - pBall->p.y;
+ d = sqrt(dx * dx + dy * dy);
+ if (d < pBalli->r + pBall->r) {
+ PosOccupied = 1;
+ break;
+ }
+ pBalli = pBalli->pNext;
+ }
+ } while (PosOccupied && (Cnt++ < 10));
+ //
+ // Add ball to array
+ //
+ if (PosOccupied == 0) {
+ BALLSSIM_AddBall(pBallsim, pBall);
+ }
+ }
+}
+
+/*********************************************************************
+*
+* _cbConfig
+*/
+static void _cbConfig(WM_MESSAGE * pMsg) {
+ WM_HWIN hItem;
+ static BALLSIM * pBallsim;
+ int Id, NCode;
+ int xSize, ySize;
+ WM_PID_STATE_CHANGED_INFO * pInfo;
+ GUI_PID_STATE * pState;
+ static int IsDown;
+ static GUI_POINT pDown;
+
+ switch (pMsg->MsgId) {
+ case WM_PAINT:
+ xSize = WM_GetWindowSizeX(pMsg->hWin);
+ ySize = WM_GetWindowSizeY(pMsg->hWin);
+ GUI_SetColor(GUI_BLACK);
+ GUI_DrawRect(0, 0, xSize - 1, ySize - 1);
+ break;
+ case WM_PID_STATE_CHANGED:
+ pInfo = (WM_PID_STATE_CHANGED_INFO *)pMsg->Data.p;
+ if (pInfo->StatePrev == 0) {
+ IsDown = 1;
+ pDown.x = pInfo->x;
+ pDown.y = pInfo->y;
+ WM_SetCapture(pMsg->hWin, 1);
+ } else {
+ IsDown = 0;
+ }
+ break;
+ case WM_TOUCH:
+ if (IsDown) {
+ pState = (GUI_PID_STATE *)pMsg->Data.p;
+ if (pState) {
+ WM_MoveWindow(pMsg->hWin, pState->x - pDown.x, pState->y - pDown.y);
+ }
+ }
+ break;
+ case WM_USER_DATA:
+ WM_GetUserData(pMsg->hWin, &pBallsim, sizeof(void *));
+ WINDOW_SetBkColor(pMsg->hWin, GUI_WHITE);
+ WM_MakeModal(pMsg->hWin);
+ hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_0);
+ BUTTON_SetText(hItem, "Stop moving");
+ hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_1);
+ BUTTON_SetText(hItem, "Create random balls");
+ hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_2);
+ BUTTON_SetText(hItem, "Back");
+ hItem = WM_GetDialogItem(pMsg->hWin, ID_CHECKBOX_0);
+ CHECKBOX_SetText(hItem, "Ball Gravity");
+ if (pBallsim->pConfig->HasBallGravity) {
+ CHECKBOX_Check(hItem);
+ } else {
+ CHECKBOX_Uncheck(hItem);
+ }
+ hItem = WM_GetDialogItem(pMsg->hWin, ID_CHECKBOX_1);
+ CHECKBOX_SetText(hItem, "Ground Gravity");
+ if (pBallsim->pConfig->HasGroundGravity) {
+ CHECKBOX_Check(hItem);
+ } else {
+ CHECKBOX_Uncheck(hItem);
+ }
+ hItem = WM_GetDialogItem(pMsg->hWin, ID_TEXT_0);
+ TEXT_SetText(hItem, "Gravity:");
+ TEXT_SetTextAlign(hItem, GUI_TA_RIGHT | GUI_TA_VCENTER);
+ hItem = WM_GetDialogItem(pMsg->hWin, ID_SLIDER_0);
+ SLIDER_SetRange(hItem, 0, 400);
+ SLIDER_SetValue(hItem, (int)pBallsim->pConfig->Gravity);
+ break;
+ case WM_NOTIFY_PARENT:
+ Id = WM_GetId(pMsg->hWinSrc);
+ NCode = pMsg->Data.v;
+ switch(Id) {
+ case ID_BUTTON_0:
+ switch(NCode) {
+ case WM_NOTIFICATION_RELEASED:
+ _BALLSIM_StopMoving(pBallsim);
+ break;
+ }
+ break;
+ case ID_BUTTON_1:
+ switch(NCode) {
+ case WM_NOTIFICATION_RELEASED:
+ _AddRandomBalls(pBallsim);
+ break;
+ }
+ break;
+ case ID_BUTTON_2:
+ switch(NCode) {
+ case WM_NOTIFICATION_RELEASED:
+ WM_DeleteWindow(pMsg->hWin);
+ break;
+ }
+ break;
+ case ID_CHECKBOX_0:
+ switch(NCode) {
+ case WM_NOTIFICATION_VALUE_CHANGED:
+ pBallsim->pConfig->HasBallGravity = CHECKBOX_IsChecked(pMsg->hWinSrc) ? 1 : 0;
+ break;
+ }
+ break;
+ case ID_CHECKBOX_1:
+ switch(NCode) {
+ case WM_NOTIFICATION_VALUE_CHANGED:
+ pBallsim->pConfig->HasGroundGravity = CHECKBOX_IsChecked(pMsg->hWinSrc) ? 1 : 0;
+ break;
+ }
+ break;
+ case ID_SLIDER_0:
+ switch(NCode) {
+ case WM_NOTIFICATION_VALUE_CHANGED:
+ pBallsim->pConfig->Gravity = (float)SLIDER_GetValue(pMsg->hWinSrc);
+ break;
+ }
+ break;
+ }
+ break;
+ default:
+ WM_DefaultProc(pMsg);
+ }
+}
+
+/*********************************************************************
+*
+* _CreateConfigWindow
+*/
+static void _CreateConfigWindow(BALLSIM * pBallsim, WM_HWIN hParent) {
+ WM_HWIN hWin;
+ int xPos, yPos;
+
+ xPos = (pBallsim->pConfig->xSize - _aDialogCreate[0].xSize) / 2;
+ yPos = (pBallsim->pConfig->ySize - _aDialogCreate[0].ySize) / 3;
+ hWin = GUI_CreateDialogBox(_aDialogCreate, GUI_COUNTOF(_aDialogCreate), _cbConfig, WM_HBKWIN, xPos, yPos);
+ WM_SetUserData(hWin, &pBallsim, sizeof(void *));
+}
+
+/*********************************************************************
+*
+* _CreateBallsim
+*/
+static BALLSIM * _CreateBallsim(WM_HWIN hWin) {
+ BALLSIM_CONFIG * pConfig;
+ BALLSIM * pBallsim;
+ WALLS * pWalls;
+
+ WM_GetUserData(hWin, &pConfig, sizeof(void *));
+ pBallsim = _BALLSIM_Create();
+ pBallsim->pConfig = pConfig;
+ pWalls = _WALLS_Create(0.f, 0.f, (float)pConfig->xSize, (float)pConfig->ySize);
+ BALLSSIM_MoveWalls(pBallsim, pWalls);
+ _AddRandomBalls(pBallsim);
+ _Free(pWalls);
+ return pBallsim;
+}
+
+/*********************************************************************
+*
+* _cbBallsim
+*/
+static void _cbBallsim(WM_MESSAGE * pMsg) {
+ static BALLSIM * pBallsim;
+ static GUI_TIMER_TIME Time;
+ GUI_TIMER_TIME tNow;
+ WM_HTIMER hTimer;
+ WM_PID_STATE_CHANGED_INFO * pInfo;
+ BALL * pBall;
+
+ switch (pMsg->MsgId) {
+ case WM_PID_STATE_CHANGED:
+ pInfo = (WM_PID_STATE_CHANGED_INFO *)pMsg->Data.p;
+ if (pInfo->StatePrev == 0) {
+ pBall = _BALLSIM_GetBallFromPos(pBallsim, (float)pInfo->x, (float)pInfo->y);
+ if (pBall) {
+ _BALLSIM_DeleteBall(pBallsim, pBall);
+ } else {
+ _CreateConfigWindow(pBallsim, pMsg->hWin);
+ }
+ }
+ break;
+ case WM_DELETE:
+ _BALLSIM_Delete(pBallsim);
+ break;
+ case WM_USER_DATA:
+ pBallsim = _CreateBallsim(pMsg->hWin);
+ hTimer = WM_CreateTimer(pMsg->hWin, 0, TIME_SLICE, 0);
+ Time = GUI_GetTime();
+ break;
+ case WM_PAINT:
+ _UpdateDisplay(pMsg->hWin, pBallsim);
+ break;
+ case WM_TIMER:
+ WM_RestartTimer(pMsg->Data.v, pBallsim->pConfig->TimeSlice);
+ tNow = GUI_GetTime();
+ BALLSSIM_AdvanceSim(pBallsim, (float)(tNow - Time) / 1000);
+ Time = tNow;
+ WM_InvalidateWindow(pMsg->hWin);
+ break;
+ default:
+ WM_DefaultProc(pMsg);
+ }
+}
+
+/*********************************************************************
+*
+* _CreateBallsimWindow
+*/
+static WM_HWIN _CreateBallsimWindow(BALLSIM_CONFIG * pConfig, WM_HWIN hParent) {
+ WM_HWIN hWin;
+
+ hWin = WM_CreateWindowAsChild(pConfig->xPos, pConfig->yPos, pConfig->xSize, pConfig->ySize, hParent, WM_CF_SHOW, _cbBallsim, sizeof(void *));
+ WM_SetUserData(hWin, &pConfig, sizeof(void *));
+#if GUI_VERSION < 54400
+ WM_SendMessageNoPara(hWin, WM_USER_DATA);
+#endif
+ return hWin;
+}
+/*********************************************************************
+*
+* Static code: Application
+*
+**********************************************************************
+*/
+/*********************************************************************
+*
+* _DrawBk
+*/
+static void _DrawBk(WM_HWIN hWin, void * pVoid) {
+ GUI_SetBkColor(GUI_MAKE_COLOR(0x202020));
+ GUI_Clear();
+}
+
+/*********************************************************************
+*
+* _DrawBall
+*/
+static void _DrawBall(WM_HWIN hWin, void * pVoid, U32 Index, float x, float y, float r) {
+ GUI_SetColor(GUI_MAKE_COLOR(Index));
+ GUI_AA_FillCircle((int)x, (int)y, (int)r);
+}
+
+/*********************************************************************
+*
+* _cbSplash
+*/
+static void _cbSplash(WM_MESSAGE * pMsg) {
+ int xSize, ySize;
+ const GUI_BITMAP * pBm;
+
+ switch (pMsg->MsgId) {
+ case WM_PAINT:
+ xSize = WM_GetWindowSizeX(pMsg->hWin);
+ ySize = WM_GetWindowSizeY(pMsg->hWin);
+ GUI_SetBkColor(GUI_WHITE);
+ GUI_Clear();
+ pBm = &_bmSeggerLogo_80x40;
+ GUI_DrawBitmap(pBm, xSize - pBm->XSize - 10, 5);
+ GUI_SetColor(GUI_BLACK);
+ GUI_SetFont(&GUI_Font32_AA4_Bounce);
+ GUI_DispStringAt("Bounce", 10, 10);
+ GUI_SetFont(GUI_FONT_13_ASCII);
+ GUI_DispStringHCenterAt("Press screen for config dialog,\n"
+ "Tap balls to remove them.\n\n"
+ "Have fun...", xSize / 2, pBm->YSize + 20);
+ break;
+ case WM_CREATE:
+ WM_CreateTimer(pMsg->hWin, 0, PERIOD_SPLASH, 0);
+ WM_MakeModal(pMsg->hWin);
+ break;
+ case WM_TIMER:
+ WM_DeleteWindow(pMsg->hWin);
+ break;
+ default:
+ WM_DefaultProc(pMsg);
+ }
+}
+
+/*********************************************************************
+*
+* _Test
+*/
+static void _Test(void) {
+ int xSize, ySize;
+ int xPos, yPos;
+ WM_HWIN hWin;
+ static BALLSIM_CONFIG Config;
+
+ xSize = LCD_GetXSize();
+ ySize = LCD_GetYSize();
+ //
+ // Configuration of ball simulation
+ //
+ Config.xSize = xSize;
+ Config.ySize = ySize;
+ Config.Range = 0xE0E0E0;
+ Config.NumBalls = NUM_BALLS;
+ Config.TimeSlice = TIME_SLICE;
+ Config.vMin = MIN_RANDOM_V;
+ Config.vMax = MAX_RANDOM_V;
+ Config.rMin = MIN_RANDOM_R;
+ Config.rMax = MAX_RANDOM_R;
+ Config.Gravity = GRAVITY;
+ Config.pfDrawBk = _DrawBk;
+ Config.pfDrawBall = _DrawBall;
+ hWin = _CreateBallsimWindow(&Config, WM_HBKWIN);
+ //
+ // Create splash screen
+ //
+ xPos = (xSize - XSIZE_SPLASH) / 2;
+ yPos = (ySize - YSIZE_SPLASH) / 3;
+ WM_CreateWindowAsChild(xPos, yPos, XSIZE_SPLASH, YSIZE_SPLASH, hWin, WM_CF_SHOW, _cbSplash, 0);
+}
+
+/*********************************************************************
+*
+* Public code
+*
+**********************************************************************
+*/
+/*********************************************************************
+*
+* MainTask
+*/
+void MainTask(void) {
+ GUI_Init();
+ WM_MULTIBUF_Enable(1);
+ BUTTON_SetReactOnLevel();
+ _Test();
+ while (1) {
+ GUI_Delay(100);
+ }
+}
+
+/*************************** End of file ****************************/