Opengl transformations - PowerPoint PPT Presentation

CS101c GPU Programming

CS101c GPU Programming. Rendering, OpenGL, and Lighting. Today. Review Rendering and OpenGL Go from vertices/triangles to colors on screen. Spaces. Object space Convenient place to model the object. Spaces. World space Common coordinates for the scene. Spaces. Camera space

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OpenGL program

OpenGL program. 2D Drawing in opengl. 2D means no depth! We should also turn off the depth buffer. glDisable (GL_DEPTH_TEST). 2D drawing principles. 2D drawing in OpenGL is much like 3D drawing. We first clear the screen: glClear (GL_COLOR_BUFFER_BIT)

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