Changeset 7c929fc in opengl-game for shaders/ship.vert

Timestamp:

Dec 6, 2019, 4:21:54 AM (5 years ago)

Author:

Dmitry Portnoy <dmp1488@…>

Branches:

feature/imgui-sdl, master, points-test

Children:

60578ce

Parents:

2b40f48

Message:

In VulkanGame, make lighting work correctly in the ship shader before the MVP matrices are applied

File:

• shaders/ship.vert (modified) (1 diff)

shaders/ship.vert

@@ -27 +27 @@
 // fixed point light position
 //vec3 light_position_world = vec3(0.0, 0.0, 2.0);
-vec3 light_position_world = vec3(0.4, 1.5, 0.8);
-//vec3 light_position_world = vec3(0.0, 1.0, -1.0);
+//vec3 light_position_world = vec3(0.4, 1.5, 0.8);
+vec3 light_position_world = vec3(0.4, 0.0, 0.2);
 
 // TODO: This does not account for scaling in the model matrix
 // Check Anton's book to see how to fix this
 void main() {
-   position_eye = vec3(ubo.view * sbo.objects[obj_index].model * vec4(vertex_position, 1.0));
+   //position_eye = vec3(ubo.view * sbo.objects[obj_index].model * vec4(vertex_position, 1.0));
+   position_eye = vec3(vec4(vertex_position, 1.0));
 
    // Using 0.0 instead of 1.0 means translations won't effect the normal
-   normal_eye = normalize(vec3(ubo.view * sbo.objects[obj_index].model * vec4(vertex_normal, 0.0)));
+   //normal_eye = normalize(vec3(ubo.view * sbo.objects[obj_index].model * vec4(vertex_normal, 0.0)));
+   normal_eye = normalize(vec3(vec4(vertex_normal, 0.0)));
    color = vertex_color;
-   light_position_eye = vec3(ubo.view * vec4(light_position_world, 1.0));
+   //light_position_eye = vec3(ubo.view * vec4(light_position_world, 1.0));
+   light_position_eye = vec3(vec4(light_position_world, 1.0));
 
    //gl_Position = ubo.proj * vec4(position_eye, 1.0);