com.io7m.jcamera

Interface JCameraFPSStyleMouseRegionType

All Known Implementing Classes:

JCameraFPSStyleMouseRegion

public interface JCameraFPSStyleMouseRegionType

An immutable rectangular region that maps mouse positions to movements.

Method Summary

Modifier and Type	Method and Description
default double	centerX()
default double	centerY()
default void	checkPreconditions() Check preconditions for the type.
default JCameraRotationCoefficients	coefficients(double x, double y) Return the region-space coefficients for the screen-space position (x, y).
double	height()
JCameraScreenOrigin	origin()
double	width()

Method Detail

origin

JCameraScreenOrigin origin()

Returns:

The current screen origin

width

double width()

Returns:

The width of the region

height

double height()

Returns:

The height of the region

centerX

default double centerX()

Returns:

The X coordinate of the center of the region

centerY

default double centerY()

Returns:

The Y coordinate of the center of the region

coefficients

default JCameraRotationCoefficients coefficients(double x,
                                                 double y)

Return the region-space coefficients for the screen-space position (x, y).

Parameters:

x - The x coordinate

y - The y coordinate

Returns:

Rotation coefficients for the given screen-space position

checkPreconditions

default void checkPreconditions()

Check preconditions for the type.