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Lensing effect for gravity, adds 3 new gravity maps (full resolution, linear interpolation for faux accuracy), old ones should be removed in time.

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This commit is contained in:
Simon Robertshaw
2011-07-18 23:58:08 +01:00
parent 0fbe6e2d3f
commit 68404608f6
5 changed files with 133 additions and 15 deletions
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8
includes/air.h
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@@ -5,12 +5,20 @@
extern float gravmap[YRES/CELL][XRES/CELL]; //Maps to be used by the main thread
extern float gravx[YRES/CELL][XRES/CELL];
extern float gravy[YRES/CELL][XRES/CELL];
extern float gravp[YRES/CELL][XRES/CELL];
extern float *gravpf;
extern float *gravxf;
extern float *gravyf;
extern unsigned gravmask[YRES/CELL][XRES/CELL];
extern float th_ogravmap[YRES/CELL][XRES/CELL]; // Maps to be processed by the gravity thread
extern float th_gravmap[YRES/CELL][XRES/CELL];
extern float th_gravx[YRES/CELL][XRES/CELL];
extern float th_gravy[YRES/CELL][XRES/CELL];
extern float *th_gravpf;
extern float *th_gravxf;
extern float *th_gravyf;
extern float th_gravp[YRES/CELL][XRES/CELL];
extern float vx[YRES/CELL][XRES/CELL], ovx[YRES/CELL][XRES/CELL];
extern float vy[YRES/CELL][XRES/CELL], ovy[YRES/CELL][XRES/CELL];

2
includes/graphics.h
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@@ -60,6 +60,8 @@ pixel *resample_img(pixel *src, int sw, int sh, int rw, int rh);
pixel *rescale_img(pixel *src, int sw, int sh, int *qw, int *qh, int f);
void render_gravlensing(pixel *src, pixel * dst);
void sdl_blit_1(int x, int y, int w, int h, pixel *src, int pitch);
void sdl_blit_2(int x, int y, int w, int h, pixel *src, int pitch);