Changeset aa00bf2 in opengl-game for shaders

Timestamp:

Nov 22, 2019, 8:51:26 PM (5 years ago)

Author:

Dmitry Portnoy <dmitry.portnoy@…>

Branches:

feature/imgui-sdl, master, points-test

Children:

3782d66

Parents:

f97c5e7

git-author:

Dmitry Portnoy <dmitry.portnoy@…> (11/22/19 20:49:26)

git-committer:

Dmitry Portnoy <dmitry.portnoy@…> (11/22/19 20:51:26)

Message:

Re-enable some of the logic to render lights in the ship shader for vulkangame

Location:

shaders

Files:

• ship.frag (modified) (4 diffs)
• ship.vert (modified) (2 diffs)

shaders/ship.frag

@@ -5 +5 @@
 layout(location = 0) in vec3 position_eye;
 layout(location = 1) in vec3 color;
+layout(location = 2) in vec3 light_position_eye;
+layout(location = 3) in vec3 light2_position_eye;
 
 layout(location = 0) out vec4 outColor;
@@ -26 +28 @@
    vec3 Ia2 = La * Ka;
 
-   //vec3 direction_to_light_eye = normalize(light_position_eye - position_eye);
+   vec3 direction_to_light_eye = normalize(light_position_eye - position_eye);
    //float dot_prod = max(dot(direction_to_light_eye, normal_eye), 0.0);
 
@@ -32 +34 @@
    //vec3 Id = Ld * color * dot_prod;
 
-   //vec3 direction_to_light2_eye = normalize(light2_position_eye - position_eye);
+   vec3 direction_to_light2_eye = normalize(light2_position_eye - position_eye);
    //float dot_prod2 = max(dot(direction_to_light2_eye, normal_eye), 0.0);
 
@@ -52 +54 @@
    //vec3 Is2 = Ls * Ks * specular_factor2;
 
-   //frag_color = vec4((Is + Id + Ia + Is2 + Id2 + Ia2)/2, 1.0);
+   //outColor = vec4((Is + Id + Ia + Is2 + Id2 + Ia2)/2, 1.0);
    outColor = vec4(color, 1.0);
 }

shaders/ship.vert

@@ -17 +17 @@
 layout(location = 0) out vec3 position_eye;
 layout(location = 1) out vec3 color;
+layout(location = 2) out vec3 light_position_eye;
+layout(location = 3) out vec3 light2_position_eye;
 
 // fixed point light position
-//vec3 light_position_world = vec3(0.0, 0.0, 2.0);
-//vec3 light2_position_world = vec3(0.0, 1.5, -0.1);
+vec3 light_position_world = vec3(0.0, 0.0, 2.0);
+vec3 light2_position_world = vec3(0.0, 1.5, -0.1);
 
 void main() {
@@ -27 +29 @@
    //normal_eye = normalize(vec3(view * model_mats[ubo_index] * vec4(vertex_normal, 0.0)));
    color = vertex_color;
-   //light_position_eye = vec3(view * vec4(light_position_world, 1.0));
-   //light2_position_eye = vec3(view * vec4(light2_position_world, 1.0));
+   light_position_eye = vec3(ubo.view * vec4(light_position_world, 1.0));
+   light2_position_eye = vec3(ubo.view * vec4(light2_position_world, 1.0));
 
    gl_Position = ubo.proj * vec4(position_eye, 1.0);