1 files changed, 25 insertions, 0 deletions
diff --git a/source/lessons/models/shaders/model/model.vs.glsl b/source/lessons/models/shaders/model/model.vs.glsl
new file mode 100644
index 0000000..da394cf
--- /dev/null
+++ b/source/lessons/models/shaders/model/model.vs.glsl
@@ -0,0 +1,25 @@
+#version 330 core
+layout(location=0) in vec3 aPos;
+layout(location=1) in vec3 aNormal;
+layout(location=2) in vec2 aTex;
+
+uniform mat4 Model;
+uniform mat4 View;
+uniform mat4 Projection;
+
+out vec2 TexCoords;
+out vec3 VertexWorldPos;
+out vec3 FragNormal;
+
+// @note: I still do not fully understand how the FragNormal calculation works. Need to make sure I intuitively 
+// get that
+
+void main() {
+  gl_Position = Projection*View*Model*vec4(aPos, 1.0);
+
+  VertexWorldPos = vec3(Model * vec4(aPos, 1.0));
+  FragNormal = mat3(transpose(inverse(Model))) * aNormal;
+  FragNormal = normalize(FragNormal);
+  TexCoords = aTex;
+};
+