first commit

playground/src/shaders/fragment_shader.glsl

@@ -0,0 +1,8 @@
+#version 140
+
+in vec3 vertex_color;
+out vec4 color;
+
+void main() {
+    color = vec4(vertex_color, 1.0);
+}

playground/src/shaders/vertex_shader.glsl

@@ -0,0 +1,12 @@
+#version 140
+        
+in vec2 position;
+in vec3 color;
+out vec3 vertex_color;
+
+uniform mat4 matrix;
+
+void main() {
+    vertex_color = color; 
+    gl_Position = matrix * vec4(position, 0.0, 1.0);
+}