Chris Taylor
Ray casting engine implemented on the mBuino platform using the ST7735 LCD controller.
Ray casting engine written to test performance of the LCD_ST7735 library I wrote as a learning exercise on the mbed platform.
Diff: Raycaster.h
- Revision:
- 0:303768292f44
- Child:
- 1:fdbc2be25831
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Raycaster.h Sun Sep 21 22:04:22 2014 +0000
@@ -0,0 +1,59 @@
+#ifndef __RATYCASTER_H__
+#define __RATYCASTER_H__
+class Raycaster
+{
+ public:
+ Raycaster(int left, int top, int width, int height,
+ int viewerDistance, int viewerHeight,
+ const uint8_t *pMap, int mapWidth, int mapHeight,
+ const uint16_t *pPalette);
+
+ void renderFrame();
+
+ void setCellPosition(int x, int y);
+ void rotate(float radians);
+ void move(int distance);
+
+ private:
+ struct Sliver
+ {
+ uint8_t top;
+ uint8_t bottom;
+ uint16_t color;
+ };
+ private:
+ LCD_ST7735 _display;
+
+ const uint8_t *_pMap;
+ int _mapWidth;
+ int _mapHeight;
+ const uint16_t *_pPalette;
+ int _viewDistanceTimesHeight;
+ Sliver *_pSlivers;
+
+ int _left;
+ int _right;
+ int _width;
+ int _halfWidth;
+ int _horizCenter;
+
+ int _top;
+ int _bottom;
+ int _height;
+ int _halfHeight;
+ int _vertCenter;
+
+ int _viewerDistance;
+ int _viewerHeight;
+ float _viewerDistanceHeightRatio;
+ float _viewVolume;
+ float _halfViewVolume;
+
+ float _ainc;
+ int _heightRatio;
+
+ float _playerX;
+ float _playerY;
+ float _playerViewAngle;
+};
+#endif //__RATYCASTER_H__
\ No newline at end of file