luanti-extended-engine-features/leef-math-cd2025
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Wrote cpml instead of vec3 in some places

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This commit is contained in:
Landon Manning 2015-12-20 20:54:57 -04:00
parent 870a3c5129
commit 7143dcadae
1 changed files with 3 additions and 3 deletions
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6
modules/intersect.lua
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@ -117,8 +117,8 @@ function intersect.ray_triangle(ray, triangle)
-- return position of intersection
if t > FLT_EPSILON then
local out = vec3()
cpml.mul(out, ray.direction, t)
cpml.add(out, ray.position, out)
vec3.mul(out, ray.direction, t)
vec3.add(out, ray.position, out)
return out
end
@ -141,7 +141,7 @@ function intersect.line_line(a, b)
vec3.sub(p21, a[2], a[1])
-- if lengths are negative or too close to 0, lines do not intersect
if cpml.len2(p43) < FLT_EPSILON or cpml.len2(p21) < FLT_EPSILON then
if vec3.len2(p43) < FLT_EPSILON or vec3.len2(p21) < FLT_EPSILON then
return false
end