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1.129.6 Point: point functions

arcTan
Answer the angle (measured counterclockwise) between the receiver and a ray starting in (0, 0) and moving towards (1, 0) - i.e. 3 o'clock


dist: aPoint
Answer the distance between the receiver and aPoint


dotProduct: aPoint
Answer the dot product between the receiver and aPoint


grid: aPoint
Answer a new point whose coordinates are rounded towards the nearest multiple of aPoint


normal
Rotate the Point 90degrees clockwise and get the unit vector


transpose
Answer a new point whose coordinates are the receiver's coordinates exchanged (x becomes y, y becomes x)


truncatedGrid: aPoint
Answer a new point whose coordinates are rounded towards -infinity, to a multiple of grid (which must be a Point)