28 lines
933 B
Plaintext
28 lines
933 B
Plaintext
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import Common;
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struct AABB
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{
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float3 min;
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float3 max;
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bool insideFrustum(float4x4 transform, Frustum frustum)
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{
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float3 corners[8];
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corners[0] = mul(transform, float4(min.x, min.y, min.z, 1.0f)).xyz;
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corners[1] = mul(transform, float4(min.x, min.y, max.z, 1.0f)).xyz;
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corners[2] = mul(transform, float4(min.x, max.y, min.z, 1.0f)).xyz;
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corners[3] = mul(transform, float4(min.x, max.y, max.z, 1.0f)).xyz;
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corners[4] = mul(transform, float4(max.x, min.y, min.z, 1.0f)).xyz;
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corners[5] = mul(transform, float4(max.x, min.y, max.z, 1.0f)).xyz;
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corners[6] = mul(transform, float4(max.x, max.y, min.z, 1.0f)).xyz;
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corners[7] = mul(transform, float4(max.x, max.y, max.z, 1.0f)).xyz;
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for(int i = 0; i < 8; ++i)
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{
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if(frustum.pointInside(corners[i]))
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{
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return true;
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}
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}
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return false;
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}
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};
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