vb01/quad.cpp

#include "quad.h"

namespace vb01{
	Quad::Quad(Vector3 size, bool spatial){
		this->spatial = spatial;

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

		MeshData::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);

		int numTris = 2;
		u32 *indices = new u32[numTris * 3];
		indices[0] = 0;
		indices[1] = 1;
		indices[2] = 2;
		indices[3] = 3;
		indices[4] = 4;
		indices[5] = 5;

		MeshData::Vertex *vertices = new MeshData::Vertex[numTris * 3];
		vertices[0] = v1;
		vertices[1] = v2;
		vertices[2] = v3;
		vertices[3] = v4;
		vertices[4] = v5;
		vertices[5] = v6;

		meshBase = MeshData(vertices, indices, numTris * 3);
	}
}