williamjcm/Pokitto-Raycasting
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Precompute gradients (FPS++)

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This commit is contained in:
Miloslav Číž 2018-09-24 18:58:16 +02:00
parent a9cde181be
commit 915c9167eb
1 changed files with 8 additions and 2 deletions
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10
demo1.cpp
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@ -38,6 +38,9 @@ Player player;
Sprite sprites[SPRITES]; Sprite sprites[SPRITES];
unsigned char floorGradient[15];
unsigned char ceilGradient[15];
/// For each level square says the texture index. /// For each level square says the texture index.
const unsigned char levelTexture[] = const unsigned char levelTexture[] =
{ {
@ -1023,8 +1026,8 @@ inline void pixelFunc(RCL_PixelInfo *pixel)
} }
else else
color = pixel->isFloor ? color = pixel->isFloor ?
rgbToIndex(intensity/2,intensity,intensity/3) : floorGradient[RCL_clamp(intensity,0,14)] :
rgbToIndex(intensity,intensity/2,0); ceilGradient[RCL_clamp(intensity,0,14)];
putSubsampledPixel(pixel->position.x,pixel->position.y,color); putSubsampledPixel(pixel->position.x,pixel->position.y,color);
} }
@ -1094,6 +1097,9 @@ int main()
{ {
initGeneral(); initGeneral();
initGradient(floorGradient,rgbToIndex(3,7,0));
initGradient(ceilGradient,rgbToIndex(6,2,1));
defaultConstraints.maxHits = 8; defaultConstraints.maxHits = 8;
defaultConstraints.maxSteps = 10; defaultConstraints.maxSteps = 10;