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Change function API
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20c66f36d7
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3 changed files with 17 additions and 30 deletions
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@ -150,13 +150,13 @@ void drawPixel(S3L_PixelInfo *p)
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S3L_Vec4 reflected;
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S3L_Vec4 reflected;
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S3L_Unit blend = 0;
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S3L_Unit blend = 0;
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position.x = S3L_interpolateBarycentric(v0.x,v1.x,v2.x,p->barycentric[0],p->barycentric[1],p->barycentric[2]);
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position.x = S3L_interpolateBarycentric(v0.x,v1.x,v2.x,p->barycentric);
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position.y = S3L_interpolateBarycentric(v0.y,v1.y,v2.y,p->barycentric[0],p->barycentric[1],p->barycentric[2]);
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position.y = S3L_interpolateBarycentric(v0.y,v1.y,v2.y,p->barycentric);
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position.z = S3L_interpolateBarycentric(v0.z,v1.z,v2.z,p->barycentric[0],p->barycentric[1],p->barycentric[2]);
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position.z = S3L_interpolateBarycentric(v0.z,v1.z,v2.z,p->barycentric);
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normal.x = S3L_interpolateBarycentric(n0.x,n1.x,n2.x,p->barycentric[0],p->barycentric[1],p->barycentric[2]);
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normal.x = S3L_interpolateBarycentric(n0.x,n1.x,n2.x,p->barycentric);
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normal.y = S3L_interpolateBarycentric(n0.y,n1.y,n2.y,p->barycentric[0],p->barycentric[1],p->barycentric[2]);
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normal.y = S3L_interpolateBarycentric(n0.y,n1.y,n2.y,p->barycentric);
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normal.z = S3L_interpolateBarycentric(n0.z,n1.z,n2.z,p->barycentric[0],p->barycentric[1],p->barycentric[2]);
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normal.z = S3L_interpolateBarycentric(n0.z,n1.z,n2.z,p->barycentric);
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toCameraDirection.x = scene.camera.transform.translation.x - position.x;
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toCameraDirection.x = scene.camera.transform.translation.x - position.x;
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toCameraDirection.y = scene.camera.transform.translation.y - position.y;
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toCameraDirection.y = scene.camera.transform.translation.y - position.y;
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@ -253,11 +253,8 @@ void drawPixel(S3L_PixelInfo *p)
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{
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{
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S3L_Unit uv[2];
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S3L_Unit uv[2];
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uv[0] = S3L_interpolateBarycentric(uv0[0],uv1[0],uv2[0],
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uv[0] = S3L_interpolateBarycentric(uv0[0],uv1[0],uv2[0],p->barycentric);
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p->barycentric[0], p->barycentric[1], p->barycentric[2]);
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uv[1] = S3L_interpolateBarycentric(uv0[1],uv1[1],uv2[1],p->barycentric);
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uv[1] = S3L_interpolateBarycentric(uv0[1],uv1[1],uv2[1],
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p->barycentric[0], p->barycentric[1], p->barycentric[2]);
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sampleTexture(uv[0] / 4,uv[1] / 4,&r,&g,&b);
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sampleTexture(uv[0] / 4,uv[1] / 4,&r,&g,&b);
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@ -280,14 +277,9 @@ void drawPixel(S3L_PixelInfo *p)
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{
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{
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S3L_Vec4 n;
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S3L_Vec4 n;
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n.x = S3L_interpolateBarycentric(n0.x,n1.x,n2.x,
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n.x = S3L_interpolateBarycentric(n0.x,n1.x,n2.x,p->barycentric);
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p->barycentric[0], p->barycentric[1], p->barycentric[2]);
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n.y = S3L_interpolateBarycentric(n0.y,n1.y,n2.y,p->barycentric);
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n.z = S3L_interpolateBarycentric(n0.z,n1.z,n2.z,p->barycentric);
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n.y = S3L_interpolateBarycentric(n0.y,n1.y,n2.y,
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p->barycentric[0], p->barycentric[1], p->barycentric[2]);
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n.z = S3L_interpolateBarycentric(n0.z,n1.z,n2.z,
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p->barycentric[0], p->barycentric[1], p->barycentric[2]);
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S3L_normalizeVec3(&n);
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S3L_normalizeVec3(&n);
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@ -327,8 +319,7 @@ void drawPixel(S3L_PixelInfo *p)
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if (light)
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if (light)
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{
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{
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int16_t l = S3L_interpolateBarycentric(l0,l1,l2,
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int16_t l = S3L_interpolateBarycentric(l0,l1,l2,p->barycentric);
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p->barycentric[0], p->barycentric[1], p->barycentric[2]);
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r = S3L_clamp((((int16_t) r) * l) / S3L_FRACTIONS_PER_UNIT,0,255);
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r = S3L_clamp((((int16_t) r) * l) / S3L_FRACTIONS_PER_UNIT,0,255);
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g = S3L_clamp((((int16_t) g) * l) / S3L_FRACTIONS_PER_UNIT,0,255);
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g = S3L_clamp((((int16_t) g) * l) / S3L_FRACTIONS_PER_UNIT,0,255);
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14
small3dlib.h
14
small3dlib.h
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@ -556,9 +556,7 @@ static inline S3L_Unit S3L_interpolateBarycentric(
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S3L_Unit value0,
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S3L_Unit value0,
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S3L_Unit value1,
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S3L_Unit value1,
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S3L_Unit value2,
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S3L_Unit value2,
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S3L_Unit barycentric0,
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S3L_Unit barycentric[3]);
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S3L_Unit barycentric1,
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S3L_Unit barycentric2);
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static inline void S3L_mapProjectionPlaneToScreen(
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static inline void S3L_mapProjectionPlaneToScreen(
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S3L_Vec4 point,
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S3L_Vec4 point,
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@ -1517,15 +1515,13 @@ static inline S3L_Unit S3L_interpolateBarycentric(
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S3L_Unit value0,
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S3L_Unit value0,
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S3L_Unit value1,
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S3L_Unit value1,
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S3L_Unit value2,
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S3L_Unit value2,
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S3L_Unit barycentric0,
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S3L_Unit barycentric[3])
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S3L_Unit barycentric1,
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S3L_Unit barycentric2)
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{
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{
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return
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return
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(
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(
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(value0 * barycentric0) +
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(value0 * barycentric[0]) +
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(value1 * barycentric1) +
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(value1 * barycentric[1]) +
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(value2 * barycentric2)
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(value2 * barycentric[2])
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) / S3L_FRACTIONS_PER_UNIT;
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) / S3L_FRACTIONS_PER_UNIT;
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}
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}
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