fix gitignore

.gitignore

@@ -1,6 +1,3 @@
 
-
-/grk/project/shaders
-
 /grk/.vs/grk-cw
 /grk/project/Debug

grk/project/shaders/particle.frag

@@ -0,0 +1,8 @@
+#version 330 core
+out vec4 FragColor;
+
+in vec3 vertexColor;
+
+void main() {
+    FragColor = vec4(vertexColor.r, vertexColor.g, vertexColor.b, 1.0);
+}

grk/project/shaders/particle.vert

@@ -0,0 +1,14 @@
+#version 330 core
+layout (location = 0) in vec3 inPosition;
+
+out vec3 vertexColor; 
+
+uniform mat4 model;
+uniform mat4 view;
+uniform mat4 projection;
+uniform vec3 color;
+
+void main() {
+    gl_Position = projection * view * model * vec4(inPosition, 1.0);
+    vertexColor = color; 
+}