Changeset 139 for trunk/tests/objload_test/obj.vert

Timestamp:

06/29/13 20:32:29 (12 years ago)

Author:

epyon

Message:

• program - set_opt_uniform added
• example extended to feature per-pixel lighting, self-illumination mapping, specular mapping and dual custom colors mapping

File:

• trunk/tests/objload_test/obj.vert (modified) (1 diff)

trunk/tests/objload_test/obj.vert

@@ -1 +1 @@
 #version 120
+
 attribute vec3 position;
 attribute vec2 texcoord;
 attribute vec3 normal;
-varying vec2 f_texcoord;
-varying float f_diffuse_value;
+
+varying vec3 v_normal;
+varying vec3 v_light_vector;
+varying vec3 v_view_vector;
+varying vec2 v_texcoord;
+
 uniform mat4 matrix_mvp;
-uniform vec3 light;
+uniform mat4 nv_m_modelview;
+uniform mat4 nv_m_projection;
+uniform mat3 nv_m_normal;
+uniform vec3 light_position;
 
 void main(void) {
-        vec3 vnormal    = normalize(normal);
-        vec3 vlight     = normalize(light - position);
-        float diffuse   = max(dot(vlight, vnormal), 0.0);
-        f_diffuse_value = diffuse;
-        f_texcoord      = texcoord;
-        gl_Position     = matrix_mvp * vec4(position, 1.0);
+        vec4 vertex     = vec4( position, 1.0 );
+        vec3 eye_pos    = vec3( nv_m_modelview * vertex );
+        v_normal        = normalize( nv_m_normal * normal );
+        v_light_vector  = vec3( normalize( light_position - eye_pos ) );
+        v_view_vector   = vec3( normalize( -eye_pos ) );
+
+        v_texcoord      = texcoord;
+        gl_Position     = matrix_mvp * vertex;
 }