vertex_shader_v2.glsl Diff

vertex_shader_v2.glsl
--- C:\Users\craven\Desktop\WebServer\arcade\doc\tutorials\gpu_particle_burst\vertex_shader_v1.glsl
+++ C:\Users\craven\Desktop\WebServer\arcade\doc\tutorials\gpu_particle_burst\vertex_shader_v2.glsl
@@ -1,7 +1,13 @@
 #version 330
+
+// Time since burst start
+uniform float time;
 
 // (x, y) position passed in
 in vec2 in_pos;
+
+// Velocity of particle
+in vec2 in_vel;
 
 // Output the color to the fragment shader
 out vec4 color;
@@ -11,6 +17,9 @@
     // Set the RGBA color
     color = vec4(1, 1, 1, 1);
 
+    // Calculate a new position
+    vec2 new_pos = in_pos + (time * in_vel);
+
     // Set the position. (x, y, z, w)
-    gl_Position = vec4(in_pos, 0.0, 1);
+    gl_Position = vec4(new_pos, 0.0, 1);
 }