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Check screen bounds

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This commit is contained in:
Miloslav Číž 2018-09-13 07:34:35 +02:00
parent 853f938521
commit 04c6040fb9
1 changed files with 4 additions and 0 deletions
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4
testSDL.c
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@ -855,6 +855,10 @@ void drawSpriteSquare(const unsigned char *sprite, int16_t x, int16_t y, Unit de
*/ */
void pixelFunc(PixelInfo *pixel) void pixelFunc(PixelInfo *pixel)
{ {
if (pixel->position.x < 0 || pixel->position.x >= SCREEN_WIDTH ||
pixel->position.y < 0 || pixel->position.y >= SCREEN_HEIGHT)
printf("error: writing outside screen! %d %d\n",pixel->position.x,pixel->position.y);
if (pixel->position.y == MIDDLE_ROW) if (pixel->position.y == MIDDLE_ROW)
zBuffer[pixel->position.x] = pixel->depth; zBuffer[pixel->position.x] = pixel->depth;