C++ (Cpp) matrix4::GLmatrix Examples

Example #1

File: SimpleScene.cpp Project: kswoo3740/Computer_Graphics

/*********************************************************************************
* Draw 'beethovan' object.
**********************************************************************************/
void drawBet()
{  

	glPushMatrix();
	glMultMatrixd(bet2wld.GLmatrix());
	drawFrame(8);
	float frontColor[] = {0.8, 0.3, 0.1, 1.0};
	glEnable(GL_LIGHTING);
	glMaterialfv(GL_FRONT, GL_AMBIENT, frontColor);
	glMaterialfv(GL_FRONT, GL_DIFFUSE, frontColor);
	glCallList(betID);
	glPopMatrix();
}

Example #2

File: SimpleScene.cpp Project: kswoo3740/Computer_Graphics

/*********************************************************************************
* Draw 'cow' object.
**********************************************************************************/
void drawCow(matrix4 const& _cow2wld, bool drawBB)
{  

	glPushMatrix();		// Push the current matrix of GL into stack. This is because the matrix of GL will be change while drawing cow.

	// The information about location of cow to be drawn is stored in cow2wld matrix.
	// (Project2 hint) If you change the value of the cow2wld matrix or the current matrix, cow would rotate or move.
	glMultMatrixd(_cow2wld.GLmatrix());

	drawFrame(5);										// Draw x, y, and z axis.
	float frontColor[] = {0.8, 0.2, 0.9, 1.0};
	glEnable(GL_LIGHTING);
	glMaterialfv(GL_FRONT, GL_AMBIENT, frontColor);		// Set ambient property frontColor.
	glMaterialfv(GL_FRONT, GL_DIFFUSE, frontColor);		// Set diffuse property frontColor.
	glCallList(cowID);		// Draw cow. 
	glDisable(GL_LIGHTING);
	if(drawBB){
		glBegin(GL_LINES);
		glColor3d(1,1,1);
		glVertex3d( cow->bbmin.x, cow->bbmin.y, cow->bbmin.z);
		glVertex3d( cow->bbmax.x, cow->bbmin.y, cow->bbmin.z);
		glVertex3d( cow->bbmin.x, cow->bbmax.y, cow->bbmin.z);
		glVertex3d( cow->bbmax.x, cow->bbmax.y, cow->bbmin.z);
		glVertex3d( cow->bbmin.x, cow->bbmin.y, cow->bbmax.z);
		glVertex3d( cow->bbmax.x, cow->bbmin.y, cow->bbmax.z);
		glVertex3d( cow->bbmin.x, cow->bbmax.y, cow->bbmax.z);
		glVertex3d( cow->bbmax.x, cow->bbmax.y, cow->bbmax.z);

		glColor3d(1,1,1);
		glVertex3d( cow->bbmin.x, cow->bbmin.y, cow->bbmin.z);
		glVertex3d( cow->bbmin.x, cow->bbmax.y, cow->bbmin.z);
		glVertex3d( cow->bbmax.x, cow->bbmin.y, cow->bbmin.z);
		glVertex3d( cow->bbmax.x, cow->bbmax.y, cow->bbmin.z);
		glVertex3d( cow->bbmin.x, cow->bbmin.y, cow->bbmax.z);
		glVertex3d( cow->bbmin.x, cow->bbmax.y, cow->bbmax.z);
		glVertex3d( cow->bbmax.x, cow->bbmin.y, cow->bbmax.z);
		glVertex3d( cow->bbmax.x, cow->bbmax.y, cow->bbmax.z);

		glColor3d(1,1,1);
		glVertex3d( cow->bbmin.x, cow->bbmin.y, cow->bbmin.z);
		glVertex3d( cow->bbmin.x, cow->bbmin.y, cow->bbmax.z);
		glVertex3d( cow->bbmax.x, cow->bbmin.y, cow->bbmin.z);
		glVertex3d( cow->bbmax.x, cow->bbmin.y, cow->bbmax.z);
		glVertex3d( cow->bbmin.x, cow->bbmax.y, cow->bbmin.z);
		glVertex3d( cow->bbmin.x, cow->bbmax.y, cow->bbmax.z);
		glVertex3d( cow->bbmax.x, cow->bbmax.y, cow->bbmin.z);
		glVertex3d( cow->bbmax.x, cow->bbmax.y, cow->bbmax.z);


		glColor3d(1,1,1);
		glVertex3d( cow->bbmin.x, cow->bbmin.y, cow->bbmin.z);
		glVertex3d( cow->bbmin.x, cow->bbmax.y, cow->bbmin.z);
		glVertex3d( cow->bbmax.x, cow->bbmin.y, cow->bbmin.z);
		glVertex3d( cow->bbmax.x, cow->bbmax.y, cow->bbmin.z);
		glVertex3d( cow->bbmin.x, cow->bbmin.y, cow->bbmax.z);
		glVertex3d( cow->bbmin.x, cow->bbmax.y, cow->bbmax.z);
		glVertex3d( cow->bbmax.x, cow->bbmin.y, cow->bbmax.z);
		glVertex3d( cow->bbmax.x, cow->bbmax.y, cow->bbmax.z);

		glColor3d(1,1,1);
		glVertex3d( cow->bbmin.x, cow->bbmin.y, cow->bbmin.z);
		glVertex3d( cow->bbmin.x, cow->bbmin.y, cow->bbmax.z);
		glVertex3d( cow->bbmax.x, cow->bbmin.y, cow->bbmin.z);
		glVertex3d( cow->bbmax.x, cow->bbmin.y, cow->bbmax.z);
		glVertex3d( cow->bbmin.x, cow->bbmax.y, cow->bbmin.z);
		glVertex3d( cow->bbmin.x, cow->bbmax.y, cow->bbmax.z);
		glVertex3d( cow->bbmax.x, cow->bbmax.y, cow->bbmin.z);
		glVertex3d( cow->bbmax.x, cow->bbmax.y, cow->bbmax.z);
		glEnd();
	}
	glPopMatrix();			// Pop the matrix in stack to GL. Change it the matrix before drawing cow.
}