1 files changed, 20 insertions, 3 deletions

@@ -4,11 +4,28 @@ layout(location = 0) in vec3 vertexPosition_modelspace;
 layout(location = 1) in vec3 vertexNormal;
 
 out vec2 UV;
-out vec3 norm;
+out vec3 normIn;
+out vec3 camDirIn;
+out vec3 lightDirIn;
+//out vec3 vertPos;
+
+uniform mat4 MVP;
+uniform mat4 worldMat;
+
+const vec3 Tuning_LightPos = vec3(1, 1, 1.0);
 
 void main()
 {
-  gl_Position = vec4(vertexPosition_modelspace,1);
+  gl_Position = MVP * vec4(vertexPosition_modelspace,1);
   UV = (vertexPosition_modelspace.xy+vec2(1,1))/2.0;
-  norm = vertexNormal;
+  normIn = vertexNormal;
+  
+  mat3 invWorldRot = transpose(mat3(worldMat[0].xyz, worldMat[1].xyz, worldMat[2].xyz));
+  //mat3 invWorldRot = mat3(1.0f);
+  vec3 worldPos = (worldMat * vec4(vertexPosition_modelspace,1)).xyz;
+  camDirIn = invWorldRot * (vec3(0,0,1) - worldPos);
+  //camDir = worldPos;
+  lightDirIn = invWorldRot * (Tuning_LightPos - worldPos);
+  //vec4 vertPos4 =  vec4(vertexPosition_modelspace,1);
+  //vertPos = vec3(vertPos4) / vertPos4.w;
 }