Changeset dc19a39 in opengl-game for explosion.vert

Timestamp:

Apr 26, 2019, 4:20:37 PM (6 years ago)

Author:

Dmitry Portnoy <dmitry.portnoy@…>

Branches:

feature/imgui-sdl, master, points-test

Children:

7e10667

Parents:

f97e638

Message:

Make explosion objects use the global model mat uniform buffer and a varying ubo index attribute to access it

File:

• explosion.vert (modified) (3 diffs)

explosion.vert

@@ -4 +4 @@
 
 uniform mat4 view, proj;
-uniform mat4 model_mat;
 layout (std140) uniform models {
   mat4 model_mats[MAX_NUM_OBJECTS];
@@ -14 +13 @@
 layout (location = 0) in vec3 v_i; // initial velocity
 layout (location = 1) in float start_time;
-//layout(location = 2) in uint ubo_index;
+layout(location = 2) in uint ubo_index;
 
 out float opacity;
@@ -40 +39 @@
    p += normalize(v_i) * mod(t, duration) / duration * 0.3; // allow time to loop around so particle emitter keeps going
 
-   //gl_Position = proj * view * model_mats[ubo_index] * vec4(p, 1.0);
-   gl_Position = proj * view * model_mats[0] * vec4(p, 1.0);
+   gl_Position = proj * view * model_mats[ubo_index] * vec4(p, 1.0);
    gl_PointSize = 15.0; // size in pixels
 }