mesh loading

src/game/shaders/frag.sc

@@ -6,11 +6,13 @@ $input v_uv0
 float circle(vec2 uv, vec2 center, float size)
 {
 	vec2 relPos = uv - center;
-	vec2 distSq = relPos.x * relPos.x + relPos.y * relPos.y;
+	float distSq = relPos.x * relPos.x + relPos.y * relPos.y;
 	return sqrt(distSq) <= size ? 1.0 : 0.0;
 }
 
 void main()
 {
-	gl_FragColor = circle(v_uv0, vec2(0.5, 0.5), 0.5);
+	// gl_FragColor = circle(v_uv0, vec2(0.5, 0.5), 1.0);
+	float color = v_uv0.x < 0.5 && v_uv0.y < 0.5;
+	gl_FragColor = vec4(color, color, color, 1.0);
 }