2D Object and Physics Quiz

Quiz
•
Computers
•
10th Grade
•
Hard
JASON SAMMONS
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a dimetric projection?
A form of parallel projection where the dimensions of a 3D object are projected onto a 2D plane, and only two of the three angles between the axes are equal to each other.
A form of parallel projection where the dimensions of a 3D object are projected onto a 2D plane, and the angles between all three axes are equal to each other.
A texture that is composed of several smaller textures.
A 2D joint type which is completely constrained, allowing two objects to be held together.
Answer explanation
The question asks about dimetric projection. The correct answer is a form of parallel projection where a 3D object's dimensions are projected onto a 2D plane, with only two of the three angles between the axes being equal. This distinguishes it from other projections where all angles are equal or where textures or constraints are involved.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an isometric projection?
A form of parallel projection where the dimensions of a 3D object are projected onto a 2D plane, and only two of the three angles between the axes are equal to each other.
A form of parallel projection where the dimensions of a 3D object are projected onto a 2D plane, and the angles between all three axes are equal to each other.
A texture that is composed of several smaller textures.
A 2D joint type which is completely constrained, allowing two objects to be held together.
Answer explanation
An isometric projection is a method of visually representing three-dimensional objects in two dimensions. The correct answer is the one that correctly describes this, stating it's a form of parallel projection where the dimensions of a 3D object are projected onto a 2D plane, and the angles between all three axes are equal to each other. This distinguishes it from other forms of projection and texture compositions.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a sprite atlas?
A form of parallel projection where the dimensions of a 3D object are projected onto a 2D plane, and only two of the three angles between the axes are equal to each other.
A form of parallel projection where the dimensions of a 3D object are projected onto a 2D plane, and the angles between all three axes are equal to each other.
A texture that is composed of several smaller textures.
A 2D joint type which is completely constrained, allowing two objects to be held together.
Answer explanation
A sprite atlas is a texture that consists of several smaller textures combined into one. This technique is used in 2D graphics and game development to optimize performance by reducing the number of draw calls. The other options describe different concepts related to projections and joint types, which are not relevant to sprite atlases.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of Body Type in 2D Rigidbody?
To adjust the friction and bounce that occurs between 2D physics objects when they collide.
To define a fixed behavior for a 2D Rigidbody.
To allow two game objects controlled by Rigidbody physics to maintain a position based on each other’s location.
To completely constrain two objects and hold them together.
Answer explanation
The purpose of Body Type in 2D Rigidbody is to define a fixed behavior for the object. It determines how the object will interact with the physics system, allowing developers to control its movement and collision properties. The other options mentioned are not the primary purpose of Body Type in 2D Rigidbody.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of Fixed Joint 2D?
To adjust the friction and bounce that occurs between 2D physics objects when they collide.
To define a fixed behavior for a 2D Rigidbody.
To allow two game objects controlled by Rigidbody physics to maintain a position based on each other’s location.
To completely constrain two objects and hold them together.
Answer explanation
The purpose of Fixed Joint 2D is to completely constrain two objects and hold them together. This joint type ensures that the connected objects maintain their relative positions and orientations, effectively acting as a single entity in the physics simulation.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of Physics Material 2D?
To adjust the friction and bounce that occurs between 2D physics objects when they collide.
To define a fixed behavior for a 2D Rigidbody.
To allow two game objects controlled by Rigidbody physics to maintain a position based on each other’s location.
To completely constrain two objects and hold them together.
Answer explanation
The purpose of Physics Material 2D is to adjust the friction and bounce that occurs between 2D physics objects when they collide. This allows developers to create realistic interactions between objects in a 2D game environment, by modifying the properties of the material applied to the objects.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of Relative Joint 2D?
To adjust the friction and bounce that occurs between 2D physics objects when they collide.
To define a fixed behavior for a 2D Rigidbody.
To allow two game objects controlled by Rigidbody physics to maintain a position based on each other’s location.
To completely constrain two objects and hold them together.
Answer explanation
The purpose of Relative Joint 2D is to allow two game objects controlled by Rigidbody physics to maintain a position based on each other’s location. This means that the objects will move in relation to each other, maintaining a certain distance or orientation, which is not the case with other options provided.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a sprite atlas differ from a texture atlas?
A sprite atlas is a texture that is composed of several smaller textures, while a texture atlas is a form of parallel projection where the dimensions of a 3D object are projected onto a 2D plane.
A sprite atlas is a texture that is composed of several smaller textures, while a texture atlas is a 2D joint type which is completely constrained, allowing two objects to be held together.
A sprite atlas is a form of parallel projection where the dimensions of a 3D object are projected onto a 2D plane, while a texture atlas is a texture that is composed of several smaller textures.
A sprite atlas is a 2D joint type which is completely constrained, allowing two objects to be held together, while a texture atlas is a texture that is composed of several smaller textures.
Answer explanation
A sprite atlas is a texture made up of several smaller textures, which allows for efficient rendering of multiple images in a single draw call. On the other hand, a texture atlas refers to a method of projecting 3D object dimensions onto a 2D plane, which is unrelated to sprite atlases. The correct choice highlights the difference between the two concepts.
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