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📗 [1 points] Which one of the following objects can be added to a scene = new THREE.Scene() using scene.add(x)?
x = new THREE.Mesh();
x = new THREE.SpotLight();
x = new THREE.PerspectiveCamera();
x = new THREE.BoxGeometry();
x = new THREE.MeshPhongMaterial();
None of the above.

📗 [1 points] A target can be set for which of the following lights using light.target = new THREE.Object3D();?
📗 Note: HemisphereLight does not have a target.
light = new THREE.DirectionalLight();
light = new THREE.SpotLight();
light = new THREE.HemisphereLight();
light = new THREE.PointLight();
light = new THREE.AmbientLight();
None of the above.

📗 [1 points] Given the only objects in the scene a light = new THREE.PointLight("white", 1, 5) and a sphere = new THREE.Mesh(new THREE.SphereGeometry(1), new THREE.MeshStandardMaterial());, which of the following positions of the sphere result in the sphere being (partially) visible?
sphere.position.set(1, 2, 3);
sphere.position.set(2, 2, 2);
sphere.position.set(5, 0, 0);
sphere.position.set(5, 5, 0);
sphere.position.set(5, 5, 5);
None of the above.

📗 [1 points] The color of a point on the surface of a mesh = new THREE.Mesh(new THREE.SphereGeometry(1), new THREE.MeshStandardMaterial()); depends on which of the following? Assume light = new THREE.PointLight(); and mesh is visible under light.
mesh.material.roughness
mesh.material.metalness
light.color
light.intensity
mesh.material.shininess
None of the above.

📗 [1 points] Which of the following parameters for a material = new THREE.MeshStandardMaterial(x); show specular reflection of a light = new THREE.PointLight(); on the surface of a sphere = new THREE.Mesh(new THREE.SphereGeometry(1), material);?
x = {roughness: 0.5, metalness: 0.5}
x = {roughness: 0, metalness: 1}
x = {roughness: 0.75, metalness: 0.25}
x = {roughness: 0.25, metalness: 0.75}
x = {roughness: 1, metalness: 0}
None of the above.

📗 [1 points] Which of the following spheres appear the largest when using camera = new OrthographicCamera(5, -5, 5, -5, 0, 10);? Suppose s1 = new THREE.Mesh(new THREE.SphereGeometry(1), new MeshBasicMaterial()); and s2 = new THREE.Mesh(new THREE.SphereGeometry(2), new MeshBasicMaterial());
s2.position.set(0, 0, 5);
s2.position.set(0, 0, 10);
s1.position.set(0, 0, 5);
s1.position.set(0, 0, 10);
s2.position.set(0, 0, 15);
None of the above.

📗 [1 points] Which of the following points are in the camera frustum of camera = new PerspectiveCamera(45, 1, 2, 4); with camera.position.set(0, 0, 0); and camera.lookAt(0, 0, 1);?
THREE.Vector3(0, 0, 3)
THREE.Vector3(0, 0, 6)
THREE.Vector3(0, 0, 1)
THREE.Vector3(0, 0, 0)
THREE.Vector3(0, 0, -3)
None of the above.

📗 [1 points] Which of the following lines rotate the camera = new PerspectiveCamera(); to look at the position Vector3(1, 1, 1)? Suppose box = new THREE.Mesh(); with box.position.set(1, 1, 1); and scene.add(box);.
camera.lookAt(1, 1, 1);
camera.lookAt(new Vector3(1, 1, 1));
camera.lookAt(box.position);
camera.lookAt(box);
camera.lookAt(box.parent);
None of the above.

# QS6: Week 6 Survey Questions

# Grade

# Submission