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Advance barycentric
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parent
d3a3e12f33
commit
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2 changed files with 10 additions and 6 deletions
7
s3l.h
7
s3l.h
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@ -273,7 +273,6 @@ void S3L_drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2
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initSide(l,l,r,0);
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barycentric1 = &p.barycentricC;
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barycentric2 = &p.barycentricB;
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barycentric3 = &p.barycentricA;
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rSideUnitPos = S3L_FRACTIONS_PER_UNIT - rSideUnitPos;
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@ -283,7 +282,11 @@ void S3L_drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2
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{
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initSide(r,r,l,0);
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// TODO
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barycentric2 = &p.barycentricC;
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barycentric3 = &p.barycentricB;
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lSideUnitPos = S3L_FRACTIONS_PER_UNIT - lSideUnitPos;
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lSideUnitStep *= -1;
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}
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}
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@ -48,16 +48,17 @@ const int16_t test_coords[] =
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100,100, 99,101, 101,101, // 0, small triangle
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190,50, 200,10, 400,80, // 1, arbitrary
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40,80, 20,50, 100,30, // 2, arbitrary
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150,300, 290,400, 450,400, // 3, regular
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105,300, 120,300, 201,300, // 4, horizontal line
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400,300, 400,320, 400,400 // 5, vertical line
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350,270, 440,200, 490,220, // 3, arbitrary
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150,300, 290,400, 450,400, // 4, regular
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105,200, 120,200, 201,200, // 5, horizontal line
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300,200, 300,250, 300,220 // 6, vertical line
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};
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void draw()
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{
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clearScreen();
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for (int c = 0; c < 4; ++c)
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for (int c = 0; c < 7; ++c)
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{
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int
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x0 = test_coords[6 * c],
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