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Fix triangle flicker
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parent
d9ed6e322e
commit
85cadda3b3
2 changed files with 7 additions and 7 deletions
4
s3l.h
4
s3l.h
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@ -876,7 +876,7 @@ void _S3L_drawFilledTriangle(
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int16_t bDx = x##b - x##t;\
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int16_t aDy = S3L_nonZero(y##a - y##t);\
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int16_t bDy = S3L_nonZero(y##b - y##t);\
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if ((aDx << 4) / aDy < (bDx << 4) / bDy)\
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if ((aDx << 5) / aDy < (bDx << 5) / bDy)\
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{\
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lPointSx = x##a; lPointSy = y##a;\
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rPointSx = x##b; rPointSy = y##b;\
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@ -1175,10 +1175,8 @@ void S3L_drawTriangle(S3L_Vec4 point0, S3L_Vec4 point1, S3L_Vec4 point2,
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const S3L_DrawConfig *config, const S3L_Camera *camera,
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S3L_Index triangleID)
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{
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if (config->backfaceCulling != S3L_BACKFACE_CULLING_NONE)
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{
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int32_t winding = // determines CW or CCW
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(
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(point1.y - point0.y) * (point2.x - point1.x) -
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10
testSDL.c
10
testSDL.c
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@ -129,11 +129,13 @@ void draw()
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clearScreen();
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modelTransform.rotation.z = frame * 0.1;
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modelTransform.rotation.x = frame * 0.3;
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uint32_t f = frame;
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modelTransform.translation.x = sin(frame >> 7) * 700;
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modelTransform.translation.y = sin(frame >> 8) * 600;
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modelTransform.rotation.z = f * 0.1;
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modelTransform.rotation.x = f * 0.3;
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modelTransform.translation.x = sin(f >> 7) * 700;
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modelTransform.translation.y = sin(f >> 8) * 600;
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S3L_drawModelIndexed(ver,tri,12,modelTransform,&camera,&conf);
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