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refactor part of the cube frustum culling code
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@ -96,41 +96,12 @@ impl Frustum {
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}
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}
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// check frustum outside/inside box
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// check frustum outside/inside box
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let mut out: u8 = 0;
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if self.points.iter().all(|point| point.x > maxp.x) { return false }
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for point in self.points {
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if self.points.iter().all(|point| point.x < minp.x) { return false }
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out += (point.x > maxp.x) as u8;
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if self.points.iter().all(|point| point.y > maxp.y) { return false }
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}
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if self.points.iter().all(|point| point.y < minp.y) { return false }
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if out == 8 { return false }
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if self.points.iter().all(|point| point.z > maxp.z) { return false }
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if self.points.iter().all(|point| point.z < minp.z) { return false }
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let mut out: u8 = 0;
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for point in self.points {
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out += (point.x < minp.x) as u8;
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}
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if out == 8 { return false }
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let mut out: u8 = 0;
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for point in self.points {
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out += (point.y > maxp.y) as u8;
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}
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if out == 8 { return false }
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let mut out: u8 = 0;
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for point in self.points {
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out += (point.y < minp.y) as u8;
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}
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if out == 8 { return false }
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let mut out: u8 = 0;
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for point in self.points {
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out += (point.z > maxp.z) as u8;
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}
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if out == 8 { return false }
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let mut out: u8 = 0;
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for point in self.points {
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out += (point.z < minp.z) as u8;
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}
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if out == 8 { return false }
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true
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true
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}
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}
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