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34 lines
795 B
HLSL
34 lines
795 B
HLSL
#ifndef GENA_BOUNDS
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#define GENA_BOUNDS
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struct Bounds
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{
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float3 center;
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float3 size;
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float3 extents;
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float3 min;
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float3 max;
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};
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Bounds Expand(Bounds bounds, float3 amount)
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{
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bounds.extents += amount;
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return bounds;
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}
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bool Intersects(Bounds boundsA, Bounds boundsB)
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{
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return boundsA.min.x <= boundsB.max.x && boundsA.max.x >= boundsB.min.x &&
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boundsA.min.y <= boundsB.max.y && boundsA.max.y >= boundsB.min.y &&
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boundsA.min.z <= boundsB.max.z && boundsA.max.z >= boundsB.min.z;
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}
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bool Contains(Bounds bounds, float3 location)
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{
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return location.x >= bounds.min.x && location.x <= bounds.max.x &&
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location.y >= bounds.min.y && location.y <= bounds.max.y &&
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location.z >= bounds.min.z && location.z <= bounds.max.z;
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}
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#endif
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