Diff: bounce.c

Revision:

3:93e488fbb8a2

Child:

7:513afc954d6e

Child:

14:3035b3271395

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bounce.c	Wed May 16 02:39:14 2018 +0000
@@ -0,0 +1,77 @@
+#include "stm32f30x.h"
+#include "sys.h"
+#include "video.h"
+#include "gdi.h"
+#include <string.h>
+#include <stdio.h>
+
+int ballx=100,bally=100;
+int ballvx=10,ballvy=8;
+int px=400;
+
+void bounce() {
+    int16_t accel[3];
+    MemsConfig();
+    vidClearScreen();
+    gdiSetColour(3);
+    gdiRectangle(0,0,(VID_HSIZE - 1),VID_VSIZE - 1,0);
+    int count=0;
+    int maxcount=0;
+    char string[16];
+    while(1) {
+        gdiSetColour(3);
+        gdiRectangle(0,0,(VID_HSIZE - 1),VID_VSIZE - 1,0);
+        gdiSetColour(2);
+        gdiCircle(ballx/16,bally/16,4,0);
+        gdiSetColour(7);
+        gdiCircle(ballx/16,bally/16,3,0);
+        gdiCircle(ballx/16,bally/16,2,0);
+        gdiCircle(ballx/16,bally/16,1,0);
+        
+        gdiSetColour(4);
+        gdiRectangle(px-8,VID_VSIZE-5,px+7,VID_VSIZE-2,0);
+        gdiRectangle(px-8,VID_VSIZE-4,px+7,VID_VSIZE-3,0);
+        gdiSetColour(7);
+        sprintf(string,"COUNT=%d",count);
+        gdiDrawTextEx(4,4,(pu8)string,0);
+        sprintf(string,"HIGH=%d",maxcount);
+        gdiDrawTextEx(VID_HSIZE-6*strlen(string)-4,4,(pu8)string,0);
+               
+    //    sysDelayMs(5);
+        waitForRefresh();
+        vidNextBuffer();
+        ReadAccelerometer( accel ); 
+
+        px=VID_HSIZE/2+accel[1]/100;
+        if(px<9) px=9;
+        if(px>VID_HSIZE-9) px=VID_HSIZE-9;
+        ballx+=ballvx;
+        bally+=ballvy;
+        if(ballx/16>VID_HSIZE - 6 || ballx<80) {
+            ballvx=-ballvx;
+            ballx+=ballvx;
+        }
+        if(bally<80) {
+            ballvy=-ballvy;
+            bally+=ballvy;
+        }
+        if(bally/16>VID_VSIZE - 6) {
+            if(ballx/16>px-12&&ballx/16<px+12) {
+                ballvy=-ballvy-1;
+                bally+=ballvy;
+                ballvx=ballvx+ballx/16-px;
+                count++;
+                if(count>maxcount)
+                    maxcount=count;
+            }
+            else {
+                bally=100;
+                ballvy=10;
+                count=0;
+            }
+        }
+        ballvy=ballvy+1;
+        
+    }
+
+}
\ No newline at end of file