Package javax.media.opengl

Examples of javax.media.opengl.GL.glMatrixMode()

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    public void display(GLAutoDrawable glDrawable) {
        GL gl = glDrawable.getGL();

        // Store old matrices
        gl.glMatrixMode(GL.GL_MODELVIEW);
        gl.glPushMatrix();
        gl.glLoadIdentity();
        gl.glMatrixMode(GL.GL_PROJECTION);
        gl.glPushMatrix();
        gl.glLoadIdentity();
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        // Store old matrices
        gl.glMatrixMode(GL.GL_MODELVIEW);
        gl.glPushMatrix();
        gl.glLoadIdentity();
        gl.glMatrixMode(GL.GL_PROJECTION);
        gl.glPushMatrix();
        gl.glLoadIdentity();

        gl.glViewport(0, 0, glDrawable.getWidth(), glDrawable.getHeight());
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        // Restore enabled state
        gl.glPopAttrib();

        // Restore old matrices
        gl.glPopMatrix();
        gl.glMatrixMode(GL.GL_MODELVIEW);
        gl.glPopMatrix();
    }

    public void displayChanged(GLAutoDrawable glDrawable, boolean b, boolean b1) {
    }
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            height = 1;
        }
        final float h = (float) width / (float) height;
        gl.glViewport(0, 0, width, height);
        gl.glMatrixMode(GL.GL_PROJECTION);
        gl.glLoadIdentity();
        glu.gluPerspective(45.0f, h, 1.0, 20.0);
        gl.glMatrixMode(GL.GL_MODELVIEW);
        gl.glLoadIdentity();
    }
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        final float h = (float) width / (float) height;
        gl.glViewport(0, 0, width, height);
        gl.glMatrixMode(GL.GL_PROJECTION);
        gl.glLoadIdentity();
        glu.gluPerspective(45.0f, h, 1.0, 20.0);
        gl.glMatrixMode(GL.GL_MODELVIEW);
        gl.glLoadIdentity();
    }

    public void display(GLAutoDrawable drawable) {
        GL gl = drawable.getGL();
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        if (height <= 0) // avoid a divide by zero error!
            height = 1;
        final float h = (float) width / (float) height;
        gl.glViewport(0, 0, width, height);
        gl.glMatrixMode(GL.GL_PROJECTION);
        gl.glLoadIdentity();
        glu.gluPerspective(45.0f, h, 1f, 100.0);
       
        //gl.glOrtho(-100.0f, 100.0f, -100.0f, 100.0f, -500.0f, 500.0f);     
        //gl.glScalef(20.0f, 20.0f, 20.0f);
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        //gl.glScalef(20.0f, 20.0f, 20.0f);
         

       
       
        gl.glMatrixMode(GL.GL_MODELVIEW);      
        gl.glLoadIdentity();   
     }


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    public void display(GLAutoDrawable glDrawable) {
        GL gl = glDrawable.getGL();

        // Store old matrices
        gl.glMatrixMode(GL.GL_MODELVIEW);
        gl.glPushMatrix();
        gl.glLoadIdentity();
        gl.glMatrixMode(GL.GL_PROJECTION);
        gl.glPushMatrix();
        gl.glLoadIdentity();
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        // Store old matrices
        gl.glMatrixMode(GL.GL_MODELVIEW);
        gl.glPushMatrix();
        gl.glLoadIdentity();
        gl.glMatrixMode(GL.GL_PROJECTION);
        gl.glPushMatrix();
        gl.glLoadIdentity();

        gl.glViewport(0, 0, glDrawable.getWidth(), glDrawable.getHeight());
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        // Restore enabled state
        gl.glPopAttrib();

        // Restore old matrices
        gl.glPopMatrix();
        gl.glMatrixMode(GL.GL_MODELVIEW);
        gl.glPopMatrix();
    }

    public void displayChanged(GLAutoDrawable glDrawable, boolean b, boolean b1) {
    }
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