Added unproject

Broken and buggy font stuff
Fixed some typos
Fixed draw rect not using dim properly

code/vulkan/core.c

@@ -518,6 +518,8 @@ Vk_CommandBuffer *Vk_CommandBufferPush() {
 
 	vk.BeginCommandBuffer(result->handle, &begin_info);
 
+	frame->next_scratch += 1;
+
 	return result;
 }
 

code/vulkan/shaders/basic.vert

@@ -50,11 +50,19 @@ vec4 unorm_colour(uint c) {
 	return result;
 }
 
+vec2 rotate2f(vec2 v, float angle) {
+	float s = sin(angle);
+	float c = cos(angle);
+
+	vec2 result = vec2(c * v.x - s * v.y, s * v.x + c * v.y);
+	return result;
+}
+
 void main() {
 	G_Rect rect = rects[gl_InstanceIndex];
 	uint   idx  = indices[gl_VertexIndex];
 
-	vec2 p = (verticies[idx] * vec2(rect.w, rect.h)) + vec2(rect.x, rect.y);
+	vec2 p = (rotate2f(verticies[idx], rect.angle) * vec2(rect.w, rect.h)) + vec2(rect.x, rect.y);
 
 	gl_Position = proj * vec4(p, 1.0f, 1.0f);