a rotating cube (#3)

public/shaders/triangle/vertex.glsl

@@ -0,0 +1,18 @@
+#version 300 es
+
+// an attribute is an input (in) to a vertex shader.
+// It will receive data from a buffer
+in vec3 position;
+
+// uniforms
+uniform mat4 model;
+uniform mat4 view;
+uniform mat4 projection;
+
+// all shaders have a main function
+void main() {
+
+  // gl_Position is a special variable a vertex shader
+  // is responsible for setting
+  gl_Position = projection * view * model * vec4(position, 1.0);
+}