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Lecture notes of the week: W11



# QS11: Week 11 Survey Questions

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📗 Question 0


📗 Question 1


 Question 2


📗 Question 3


 Question 4


📗 Question 5


 Question 6


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 Question 8


📗 Question 9


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📗 [1 points] Which of the following variable types (or variables) are used in the vertex shader?





None of the above.
📗 [1 points] Which of the following variable types (or variables) are used in the fragment shader?





None of the above.
📗 [1 points] What is viewMatrix * vec4(cameraPosition, 1.0) in the vertex shader?





None of the above.
📗 [1 points] Which ones of the following evaluates to 0.0 in the shader? step(t, x) means x < t ? 0.0 : 1.0.





None of the above.
📗 [1 points] Given mesh = new THREE.Mesh(geometry, material) with material = new THREE.ShaderMaterial({uniforms ...}), where does the vertex shader get values for attribute vec3 color?





None of the above.
📗 [1 points] Which of the following compute the cosine of the angle between a = vec3(1.0, 0.0, 0.0) and b = normalize(vec3(1.0, 1.0, 0.0))?





None of the above.
📗 [1 points] If the cosine of the angle between the camera position and the reflected light direction is cos(theta) = -1 and the Phong coefficient or shininess is p = 3. What is the intensity of the specular light? Note: the intensity is calculated by pow(clamp(cos(theta), 0.0, 1.0), p).





None of the above.
📗 [1 points] Which of the following lines transform the position of the light lp = vec3(1.0, 1.0, 1.0) in the scene coordinates to the camera coordinates in the vertex shaders (so that the light does not move with the camera)?





None of the above.
📗 [1 points] Please provide additional comments, questions, or feedback: 

📗 [1 points] Why are you submitting this survey?




Note: if you selected the third (please also email me) or forth choice, you only have to complete the last question.





Last Updated: September 11, 2025 at 10:55 PM