vb01/quad.cpp

#include "quad.h"

namespace vb01{
	Quad::Quad(Vector3 size, bool spatial) : Mesh(){
		this->spatial = spatial;
		this->staticVerts = false;
		
		int numPolyVerts = 3;
		numTris = 2;
		indices = new u32[numTris * numPolyVerts];
		vertices = new Vertex[numTris * numPolyVerts];

		setSize(size);

		Mesh::construct();
	}
	
	void Quad::setSize(Vector3 size){
		this->size = size;

		Vertex v1, v2, v3, v4, v5, v6;
		if(spatial){
			v1.pos = Vector3(size.x / 2, size.y / 2, 0);
			v2.pos = Vector3(-size.x / 2, size.y / 2, 0);
			v3.pos = Vector3(-size.x / 2, -size.y / 2, 0);
			v4.pos = Vector3(-size.x / 2, -size.y / 2, 0);
			v5.pos = Vector3(size.x / 2, -size.y / 2, 0);
			v6.pos = Vector3(size.x / 2, size.y / 2, 0);
		}
		else{
			v1.pos = Vector3(size.x, 0, 0);
			v2.pos = Vector3(0, 0, 0);
			v3.pos = Vector3(0, size.y, 0);
			v4.pos = Vector3(0, size.y, 0);
			v5.pos = Vector3(size.x, size.y, 0);
			v6.pos = Vector3(size.x, 0, 0);
		}
		v1.norm = Vector3(0, 0, -1);
		v1.uv = Vector2(1, 1);

		v2.norm = Vector3(0, 0, -1);
		v2.uv = Vector2(0, 1);

		v3.norm = Vector3(0, 0, -1);
		v3.uv = Vector2(0,0);

		v4.norm = Vector3(0, 0, -1);
		v4.uv = Vector2(0, 0);

		v5.norm = Vector3(0, 0, -1);
		v5.uv = Vector2(1,0);

		v6.norm = Vector3(0, 0, -1);
		v6.uv = Vector2(1, 1);
		
		indices[0] = 0;
		indices[1] = 1;
		indices[2] = 2;
		indices[3] = 3;
		indices[4] = 4;
		indices[5] = 5;

		vertices[0] = v1;
		vertices[1] = v2;
		vertices[2] = v3;
		vertices[3] = v4;
		vertices[4] = v5;
		vertices[5] = v6;
	}

}