Game Programming Test 1

___________ is a system which uses one or more numbers, or coordinates, to uniquely determine the position of a point.

• co-ordinate system

• binary-system

• vector-system

• euclid geometry

Vector into a unit form is called....

• Resultant

• Normalising

• Both A & B

• None of the above

A vector whose magnitude is one is called

• Position vector

• free vector

• null vector

• unit vector

In right handed coordinate system which axis is considered to be positive?

• The thumb is x-axis, first finger is y-axis, middle finger is z-axis

• The thumb is z-axis, first finger is y-axis, middle finger is x-axis

• The thumb is y-axis, first finger is x-axis, middle finger is z-axis

• The thumb is x-axis, first finger is z-axis, middle finger is x-axis

The dot product of two vectors is a scalar. The cross product of two vectors is a vector. State True/False.

• True

• False

For two vectors A and B, what is A.B (if they have angle a between them)?

• |A||B| cosa

• |A||B|

• v(|A||B|) cosa

• |A||B| sina

The relation between vertices, faces and edges of a 3D Polygon object is given as

• faces - vertices = edges + 2

• faces + vertices = edges - 2

• faces + vertices = edges + 2

• faces - vertices = edges - 2

Which one is right Pythagoras formula to calculate Distance between the points in 2D?

When a connected graph can be drawn without any edges crossing, it is called __________.

• Line

• Planar

• Edges

• Faces

If the set of coordinates is taken in clockwise to calculate the area of any shape then the answer will be __________.

• Positive

• Negative

• same as anticlockwise

• Not allowed.