BubbleDemo.h

00001 
00002 #ifndef BUBBLEDEMO_H
00003 #define BUBBLEDEMO_H
00004 
00005 #include "Graphics.h"
00006 #include "EaLcdBoardGPIO.h"
00007 
00008 class BubbleDemo {
00009 public:
00010 
00011     enum Constants {
00012         NumBalls = 17
00013     };
00014 
00015     /** Set the address of the frame buffer to use.
00016      *
00017      *  It is the content of the frame buffer that is shown on the
00018      *  display. All the drawing on the frame buffer can be done
00019      *  'offline' and whenever it should be shown this function
00020      *  can be called with the address of the offline frame buffer.
00021      *
00022      *  @param pFrameBuf  Pointer to the frame buffer, which must be
00023      *                    3 times as big as the frame size (for tripple
00024      *                    buffering).
00025      *         dispWidth  The width of the display (in pixels).
00026      *         dispHeight The height of the display (in pixels).
00027      *         loops      Number of loops in the demo code.
00028      *         delayMs    Delay in milliseconds between schreen updates.
00029      *
00030      *  @returns
00031      *       none
00032      */
00033     BubbleDemo(uint8_t *pFrameBuf, uint16_t dispWidth, uint16_t dispHeight);
00034     
00035     void run(EaLcdBoardGPIO& lcdBoard, uint32_t loops, uint32_t delayMs);
00036 
00037 private:
00038     int32_t windowX;
00039     int32_t windowY;
00040     uint16_t *pFrmBuf;
00041     uint16_t *pFrmBuf1;
00042     uint16_t *pFrmBuf2;
00043     uint16_t *pFrmBuf3;
00044     
00045     Graphics graphics;
00046     
00047     uint8_t i;
00048     uint8_t j;
00049     
00050     float x[NumBalls];
00051     float y[NumBalls];
00052     uint8_t r[NumBalls];
00053     
00054     float oldX[NumBalls];
00055     float oldY[NumBalls];
00056     
00057     float velX[NumBalls];
00058     float velY[NumBalls];
00059     
00060     uint8_t red[NumBalls];
00061     uint8_t green[NumBalls];
00062     uint8_t blue[NumBalls];
00063     
00064     
00065     void initialize();
00066     void collision();
00067     void borders();
00068     void draw();
00069 };
00070 
00071 #endif /* BUBBLEDEMO_H */
00072