18 lines
541 B
Plaintext
18 lines
541 B
Plaintext
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#ifndef _AABB_GLSL
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#define _AABB_GLSL
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bool IntersectAABB(vec3[2] a, vec3[2] b) {
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const float EPSILON = 0.001; // Small tolerance to prevent false negatives
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if (abs(a[0].x - b[0].x) > (a[1].x + b[1].x + EPSILON)) return false;
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if (abs(a[0].y - b[0].y) > (a[1].y + b[1].y + EPSILON)) return false;
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if (abs(a[0].z - b[0].z) > (a[1].z + b[1].z + EPSILON)) return false;
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return true;
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}
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void AABBfromMinMax(inout vec3[2] aabb, vec3 _min, vec3 _max)
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{
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aabb[0] = (_min + _max) * 0.5f;
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aabb[1] = abs(_max - aabb[0]);
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}
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#endif
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