OpenGL viewing notes - Bryn Mawr Computer Science

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Vertex Arrays <strong>OpenGL</strong> provides a facility called vertex arrays that allows us to store array data in the implementation Six types of arrays supported Vertices Colors Color indices Normals Texture coordinates Edge flags We will need only colors and vertices
Initialization Using the same color and vertex data, first we enable glEnableClientState(GL_COLOR_ARRAY); glEnableClientState(GL_VERTEX_ARRAY); Identify location of arrays glVertexPointer(3, GL_FLOAT, 0, vertices); 3d arrays stored as floats data contiguous data array glColorPointer(3, GL_FLOAT, 0, colors);
Page 1 and 2: CS312 OpenGL Viewing Transformation
Page 3 and 4: OpenGL Buffers Color buffer Front
Page 5 and 6: Moving the Camera The First Approa
Page 7 and 8: Moving the Camera We must be caref
Page 9 and 10: gluLookAt GL uses a more direct me
Page 11 and 12: The OpenGL Camera In OpenGL, initi
Page 13 and 14: Projections in OpenGL The View Vol
Page 15 and 16: Perspectives in OpenGL OpenGL has
Page 17 and 18: Field of View gluPerspective(fovy,
Page 19 and 20: glut 3D Primitives Cube void gl
Page 21 and 22: Defining your own shapes Objects a
Page 23 and 24: Simple Representation Define each
Page 25 and 26: Geometry vs Topology Generally it
Page 27 and 28: Vertex Lists Put the geometry in
Page 29 and 30: Edge List e1 e2 e3 e4 e5 e6 e7 e8 e
Page 31 and 32: Drawing a polygon from a list of in
Page 33: Efficiency The weakness of our app
Page 37 and 38: Drawing the cube Method 1: what to
Page 39 and 40: Back Face Culling OpenGL can compu

OpenGL viewing notes - Bryn Mawr Computer Science

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