25 lines
562 B
C++
25 lines
562 B
C++
#include "dvr_triangle.h"
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#include "pipe/dvc_rasterizer.h"
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void Triangle::build(const davinci::fVector3& _pixelColor, int32_t canvasWidth, int32_t canvasHeight, bool debug)
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{
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pixelColor = _pixelColor;
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pixels.clear();
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//make sure it's cw
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bool ccw = false;
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if ((p2 - p1).crossProduct(p0 - p2).z > 0) {
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ccw = true;
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}
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//build pixel data
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davinci::Rasterizer::drawTriangleLarrabee(canvasWidth, canvasHeight,
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p0.xy(), p1.xy(), p2.xy(),
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[this](std::pair<int32_t, int32_t> pos, const davinci::fVector3& t)
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{
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pixels.push_back(pos);
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},
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ccw
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);
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}
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