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Calculate vertex position in world space in vertex shaded not in fragment

This commit is contained in:
C-Fu 2017-01-17 11:36:23 +01:00
parent 5191a46f72
commit 152d436dd7
1 changed files with 2 additions and 2 deletions
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4
QtMeshViewer/Resources/vshader.glsl
View File

@ -13,7 +13,7 @@ attribute vec2 a_texcoord;
attribute vec3 a_normal;
varying vec2 v_texcoord;
varying vec4 v_position;
varying vec3 v_position;
varying vec3 v_normal;
void main()
@ -24,6 +24,6 @@ void main()
// Pass data to fragment shader
// Value will be automatically interpolated to fragments inside polygon faces
v_texcoord = a_texcoord;
v_position = a_position;
v_position = vec3(norm_matrix * m_matrix * a_position);
v_normal = a_normal;
}