17 lines
394 B
Plaintext
17 lines
394 B
Plaintext
#import "std.sx";
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dot :: (a: Vector(3,f32), b: Vector(3,f32)) -> f32 {
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return a.x*b.x + a.y*b.y + a.z*b.z;
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}
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cross :: (a: Vector(3,f32), b: Vector(3,f32)) -> Vector(3,f32) {
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.[a.y*b.z - a.z*b.y, a.z*b.x - a.x*b.z, a.x*b.y - a.y*b.x];
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}
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length :: (v: Vector(3,f32)) -> f32 {
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return sqrt(dot(v, v));
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}
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normalize :: (v: Vector(3,f32)) -> Vector(3,f32) {
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return v / length(v);
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} |