// Tetrahedron.cpp: implementation of the CTetrahedron class.
//
//////////////////////////////////////////////////////////////////////

#include "Tetrahedron.h"

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
GLfloat gTriangleVertices[4][3]={	{-1.0,-1.0,1.0},{1.0,-1.0,0.0},
									{-1.0,-1.0,-1.0},{0.0,1.0,0.0}};
GLfloat gColors[4][3] = {{1.0,0.0,0.0},{0.0,1.0,0.0},{0.0,0.0,1.0},{1.0,1.0,0.0}};

CTetrahedron::CTetrahedron():CGeometry()
{
	Type=TRIANGLE;
	Name="tetrahedron";
	Selected=false;
	Visible=true;
	setVertices(gTriangleVertices);
	setColors(gColors);
}

CTetrahedron::~CTetrahedron()
{

}
void CTetrahedron::setVertices(GLfloat Vertices[][3])
{
	int i,j;
	for(i=0;i<4;i++)
		for(j=0;j<3;j++)
			triangleVertices[i][j]=Vertices[i][j];
}

void CTetrahedron::setColors(GLfloat cols[][3])
{
	int i,j;
	for(i=0;i<4;i++)
		for(j=0;j<3;j++)
			colors[i][j]=cols[i][j];
}
void CTetrahedron::drawLine(GLfloat Vertices[][3], int a, int b)
{
			glBegin(GL_LINES); 
				glVertex3fv( Vertices[a]);
                glVertex3fv(Vertices[b]);
            glEnd();
}

void CTetrahedron::drawTrianglePlane(GLfloat Vertices[][3], int a, int b, int c, int color)
{
		glColor3fv(colors[color]);

		// Draw the sides of the cube
		glBegin(GL_TRIANGLES);
			glVertex3fv(Vertices[a]);
			glVertex3fv(Vertices[b]);
			glVertex3fv(Vertices[c]);
		glEnd();
}



void CTetrahedron::drawTriangleInWireFrame()
{
		glColor4f(0.0,0.0,0.0,1.0);
		drawLine(triangleVertices,0,1);
		drawLine(triangleVertices,0,2);
		drawLine(triangleVertices,0,3);
		drawLine(triangleVertices,1,2);
		drawLine(triangleVertices,1,3);
		drawLine(triangleVertices,2,3);
}

void CTetrahedron::drawTriangle()
{
		drawTrianglePlane(triangleVertices,0,1,2,0);
		drawTrianglePlane(triangleVertices,0,1,3,1);
		drawTrianglePlane(triangleVertices,0,2,3,2);
		drawTrianglePlane(triangleVertices,1,2,3,3);
}

void CTetrahedron::render()
{
/*	drawTriangle();
	if(isSelected()) drawTriangleInWireFrame(); */
	if(isSelected()) glColor3fv(HighlightColor);
	else glColor3fv(NormalColor);
	glutWireTetrahedron();
}



void CTetrahedron::renderSolid()
{
	if(isSelected()) glColor3fv(HighlightColor);
	else glColor3fv(NormalColor);
	glutSolidTetrahedron();
}