I have a problem with this openGL code:
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glPushMatrix(); // put current matrix on stack
//glTranslatef(0.0f, 0.0f, 0.0f);
//glTranslatef(-4*1.5, 0.0, 4*1.5);
glRotatef(rotationAngle, 0.0f, 1.0f, 0.0f); // rotate the robot on its y-axis
glTranslatef(xpos, ypos, zpos);
DrawRobot(xpos, ypos, zpos); // draw the robot
glPopMatrix();
What should I do to make my robot turn around the point at which it is currently situated and not around the origin? I think the problem lies in this snippet.
Example of rotating an object around its centre along the z-axis:
glPushMatrix();
glTranslatef(250,250,0.0); // 3. Translate to the object's position.
glRotatef(angle,0.0,0.0,1.0); // 2. Rotate the object.
glTranslatef(-250,-250,0.0); // 1. Translate to the origin.
// Draw the object
glPopMatrix();
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