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lhog/SpherePoints_GoldenAngle

Created February 10, 2019 22:34
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SpherePoints_GoldenAngle
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SpherePoints_GoldenAngle
vec3 SpherePoints_GoldenAngle(float i, float numSamples) {
const float goldenAngle = PI * (3.0 - sqrt(5.0));
float theta = i * goldenAngle;
float z = (1.0 - 1.0/numSamples) * (1.0 - 2.0 * i / (numSamples - 1.0));
float radius = sqrt(1.0 - z * z);
return vec3(radius * cos(theta), radius * sin(theta), z);
}
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