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.
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- 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
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- 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 thisStarCoordsrepresents the middle (0,0) of a star map, and a 400-by-400 pixel image is given, this method returns aPosof (200,200). Another example: if thisStarCoordsis (-0.5,0.2) and the given image is a 1000-by-1000 pixel square, returns aPosof (250,400). - 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".
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- val x: Double
- 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.
- val y: Double
- 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.
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(Since version ) see corresponding Javadoc for more information.