Packages

class StarCoords extends AnyRef

A StarCoords object describes the location of a star on a two-dimensional star map. A location consists of two components, x and y, each of which has a value between -1.0 and +1.0. The x coordinate ranges from -1.0 at the very left of the map to +1.0 on the right; the y coordinate similarly ranges from -1.0 at the bottom to +1.0 at the top. For instance, a star with StarCoords of (0.0,0.0) appears at the exact center of the map.

Linear Supertypes
AnyRef, Any
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  1. StarCoords
  2. AnyRef
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Instance Constructors

  1. new StarCoords(x: Double, y: Double)

    x

    the x coordinate of a location on the star map, between -1.0 and +1.0

    y

    the y coordinate of a location on the star map, between -1.0 and +1.0

Value Members

  1. def toImagePos(image: o1.Pic): world.Pos

    Converts this pair of star coords to the position (Pos) of a pixel within a given image (Pic).

    Converts this pair of star coords to the position (Pos) of a pixel within a given image (Pic). For instance, if this StarCoords represents the middle (0,0) of a star map, and a 400-by-400 pixel image is given, this method returns a Pos of (200,200). Another example: if this StarCoords is (-0.5,0.2) and the given image is a 1000-by-1000 pixel square, returns a Pos of (250,400).

  2. def toString: String

    Returns a string description of the star coords; e.g., "x=0.62, y=0.04".

    Returns a string description of the star coords; e.g., "x=0.62, y=0.04".

    Definition Classes
    StarCoords → AnyRef → Any
  3. val x: Double
  4. def xPercent: Double

    Returns a value between 0 and 1 that indicates how many percent from the left this location’s x coordinate is.

    Returns a value between 0 and 1 that indicates how many percent from the left this location’s x coordinate is. For example, 0.5 is halfway from the left.

  5. val y: Double
  6. def yPercent: Double

    Returns a value between 0 and 1 that indicates how many percent from the top this location’s y coordinate is.

    Returns a value between 0 and 1 that indicates how many percent from the top this location’s y coordinate is. For example, 0.25 is a quarter of the way down from the top.