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CMPT 370 A - Computer Graphics (SP 2025)

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What projection is generated by the following matrix?

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Which index list has the correct order for the following polygons? (Apply the right-hand rule.)

Vertext list: (0,0, 2,0, 1,2, 3,2)

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What is described by the following?

The loss of one degree of freedom in a three-dimensional space that occurs when the axes of two of the three gimbals are driven into a parallel configuration

Example:

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What is described by the following?

The loss of one degree of freedom in a three-dimensional space that occurs when the axes of two of the three gimbals are driven into a parallel configuration

Example:

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Which of the following polygons is facing outwardly (+z direction; towards you) so that you can see the face? (Apply the right-hand rule.)

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Which statement is NOT correct regarding the order of Affine transformations?

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The following illustrates how to rotate the cube about the fixed point Pi using postmultiplications: 

Which order should be taken in terms of a series of the following postmultiplications to generate the above result? (C is the current transformation matrix.)

Rotate: C ¬ CR

Move fixed point back: C ¬ CT-1  

Start with identity matrix: C ¬ I

Move fixed point to origin: C ¬ CT

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The following shows an excerpt of a WebGL program. What should be in the blank?

var canvas = document.getElementById('my_Canvas');

gl = canvas.getContext('experimental-webgl');

var vertices = [

            -0.5,0.5,0.0,

            -0.5,-0.5,0.0,

             0.5,-0.5,0.0,

             0.5,0.5,0.0

];

indices = [3,2,1,3,1,0];

var vertex_buffer = gl.createBuffer();

gl.bindBuffer(gl.ARRAY_BUFFER, vertex_buffer);

gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);

var Index_Buffer = gl.createBuffer();

gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, Index_Buffer);

gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(indices), gl.STATIC_DRAW);

gl.bindBuffer(gl.ARRAY_BUFFER, vertex_buffer);

gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, Index_Buffer);

// Some other code

(_____________________________)(gl.TRIANGLES, indices.length, gl.UNSIGNED_SHORT,0);

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Which one illustrates the yaw angle in Euler angles?

Apply the following frame to each of the illustrations:

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Which of the following polygons is facing outwardly (+z direction; towards you) so that you can see the face? (Apply the right-hand rule.)

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