Java Code Examples for javax.media.opengl.GL2#glColor3f()

The following examples show how to use javax.media.opengl.GL2#glColor3f() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: JoglDebugDraw.java    From jbox2d with BSD 2-Clause "Simplified" License 6 votes vote down vote up 
@Override
public void drawTransform(Transform xf) {
  GL2 gl = panel.getGL().getGL2();
  getWorldToScreenToOut(xf.p, temp);
  temp2.setZero();
  float k_axisScale = 0.4f;

  gl.glBegin(GL2.GL_LINES);
  gl.glColor3f(1, 0, 0);

  temp2.x = xf.p.x + k_axisScale * xf.q.c;
  temp2.y = xf.p.y + k_axisScale * xf.q.s;
  getWorldToScreenToOut(temp2, temp2);
  gl.glVertex2f(temp.x, temp.y);
  gl.glVertex2f(temp2.x, temp2.y);

  gl.glColor3f(0, 1, 0);
  temp2.x = xf.p.x + -k_axisScale * xf.q.s;
  temp2.y = xf.p.y + k_axisScale * xf.q.c;
  getWorldToScreenToOut(temp2, temp2);
  gl.glVertex2f(temp.x, temp.y);
  gl.glVertex2f(temp2.x, temp2.y);
  gl.glEnd();
}
Example 2
Source File: JoglDebugDraw.java    From jbox2d with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
@Override
public void drawSegment(Vec2 p1, Vec2 p2, Color3f color) {
  GL2 gl = panel.getGL().getGL2();
  gl.glPushMatrix();
  transformViewport(gl, zero);
  gl.glBegin(GL2.GL_LINES);
  gl.glColor3f(color.x, color.y, color.z);
  gl.glVertex3f(p1.x, p1.y, 0);
  gl.glVertex3f(p2.x, p2.y, 0);
  gl.glEnd();
  gl.glPopMatrix();
}