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refactor part of the cube frustum culling code

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griffi-gh 2023-01-27 22:41:33 +01:00
parent 158639d3b7
commit a9666062ec
1 changed files with 7 additions and 36 deletions
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43
src/camera/frustum.rs
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@ -96,42 +96,13 @@ impl Frustum {
}
// check frustum outside/inside box
let mut out: u8 = 0;
for point in self.points {
out += (point.x > maxp.x) as u8;
}
if out == 8 { return false }
let mut out: u8 = 0;
for point in self.points {
out += (point.x < minp.x) as u8;
}
if out == 8 { return false }
let mut out: u8 = 0;
for point in self.points {
out += (point.y > maxp.y) as u8;
}
if out == 8 { return false }
let mut out: u8 = 0;
for point in self.points {
out += (point.y < minp.y) as u8;
}
if out == 8 { return false }
let mut out: u8 = 0;
for point in self.points {
out += (point.z > maxp.z) as u8;
}
if out == 8 { return false }
let mut out: u8 = 0;
for point in self.points {
out += (point.z < minp.z) as u8;
}
if out == 8 { return false }
if self.points.iter().all(|point| point.x > maxp.x) { return false }
if self.points.iter().all(|point| point.x < minp.x) { return false }
if self.points.iter().all(|point| point.y > maxp.y) { return false }
if self.points.iter().all(|point| point.y < minp.y) { return false }
if self.points.iter().all(|point| point.z > maxp.z) { return false }
if self.points.iter().all(|point| point.z < minp.z) { return false }
true
}
}