33 lines
651 B
Plaintext
33 lines
651 B
Plaintext
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#pragma glslify: Ray = require('./complex-ray.glsl')
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#pragma glslify: RayResult = require('./complex-ray-result.glsl')
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RayResult rayBail() {
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return RayResult(0.0, 0.0, false);
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}
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RayResult march(Ray source, float maxd, float precis) {
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float latest = precis * 2.0;
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float dist = +0.0;
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float type = -1.0;
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RayResult res = rayBail();
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for (int i = 0; i < 99; i++) {
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if (latest < precis || dist > maxd) break;
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res = map(source.ro + source.rd * dist);
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dist += res.d;
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}
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if(dist >= maxd) {
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return rayBail();
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}
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return res;
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}
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RayResult march(Ray ray) {
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return march(ray, 20.0, 0.001);
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}
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#pragma glslify: export(march)
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