Interpolation function & no more triangle structure in shader

1 files changed, 8 insertions, 0 deletions

diff --git a/shaders/include/math.h b/shaders/include/math.h
index cc4e2f4..c95b065 100644
--- a/shaders/include/math.h
+++ b/shaders/include/math.h
@@ -43,3 +43,11 @@ vec3 rotate_point(vec4 q, vec3 v) {
     const vec3 q_axis = q.xyz;

     return 2.0f * dot(q_axis, v) * q_axis + (q.w * q.w - dot(q_axis, q_axis)) * v + 2.0f * q.w * cross(q_axis, v);

 }

+

+vec3 interpolate_attribute(vec3 values[3], vec3 weights) {

+    return values[0] * weights.x + values[1] * weights.y + values[2] * weights.z;

+}

+

+vec2 interpolate_attribute(vec2 values[3], vec3 weights) {

+    return values[0] * weights.x + values[1] * weights.y + values[2] * weights.z;

+}