mapper.mapper Class Reference

Public Member Functions
def	__init__ (self, world, viewport, ydown=True, noDistortion=True)
	Constructor. More...
def	windowVecToViewport (self, x, y)
	Maps a single vector from world coordinates to viewport (screen) coordinates. More...
def	viewportToWindow (self, x, y)
	Maps a single point from screen coordinates to window (world) coordinates. More...
def	windowToViewport (self, *p)
	Maps points from world coordinates to viewport (screen) coordinates. More...

Public Attributes
	world
	viewport
	fx
	fy
	ys
	f
	c_1
	c_2

Private Member Functions
def	__windowToViewport (self, x, y)
	Maps a single point from world coordinates to viewport (screen) coordinates. More...

Constructor & Destructor Documentation

__init__()

def mapper.mapper.__init__	(		self,
			world,
			viewport,
			ydown = True,
			noDistortion = True
	)

Constructor.

Parameters

world	window rectangle.
viewport	screen rectangle.
ydown	whether Y axis is upside down.
noDistortion	whether to use the same scale for both X and Y.

Member Function Documentation

__windowToViewport()

def mapper.mapper.__windowToViewport (   self,   x,   y  )

private

Maps a single point from world coordinates to viewport (screen) coordinates.

Parameters

x,y	given point.

Returns

a new point in screen coordinates.

References mapper.mapper.c_1, mapper.mapper.c_2, mapper.mapper.fx, mapper.mapper.fy, and mapper.mapper.ys.

Referenced by mapper.mapper.windowToViewport(), and mapper2.mapper2.windowToViewport().

viewportToWindow()

def mapper.mapper.viewportToWindow	(		self,
			x,
			y
	)

Maps a single point from screen coordinates to window (world) coordinates.

Parameters

x,y	given point.

Returns

a new point in world coordinates.

References mapper.mapper.c_1, mapper.mapper.c_2, mapper.mapper.fx, and mapper.mapper.fy.

windowToViewport()

def mapper.mapper.windowToViewport	(		self,
		*	p
	)

Maps points from world coordinates to viewport (screen) coordinates.

Parameters

p	a variable number of points.

Returns

two new points in screen coordinates.

References mapper.mapper.__windowToViewport().

windowVecToViewport()

def mapper.mapper.windowVecToViewport	(		self,
			x,
			y
	)

Maps a single vector from world coordinates to viewport (screen) coordinates.

Parameters

x,y	given vector.

Returns

a new vector in screen coordinates.

References mapper.mapper.fx, mapper.mapper.fy, and mapper.mapper.ys.

Member Data Documentation

c_1

mapper.mapper.c_1

Referenced by mapper.mapper.__windowToViewport(), and mapper.mapper.viewportToWindow().

c_2

mapper.mapper.c_2

Referenced by mapper.mapper.__windowToViewport(), and mapper.mapper.viewportToWindow().

f

mapper.mapper.f

fx

mapper.mapper.fx

Referenced by mapper.mapper.__windowToViewport(), mapper.mapper.viewportToWindow(), and mapper.mapper.windowVecToViewport().

fy

mapper.mapper.fy

Referenced by mapper.mapper.__windowToViewport(), mapper.mapper.viewportToWindow(), and mapper.mapper.windowVecToViewport().

viewport

mapper.mapper.viewport

world

mapper.mapper.world

ys

mapper.mapper.ys

Referenced by mapper.mapper.__windowToViewport(), mapper2.mapper2.__windowToViewport(), mapper.mapper.windowVecToViewport(), and mapper2.mapper2.windowVecToViewport().

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The documentation for this class was generated from the following file:

• mapper.py