Package cz.fidentis.analyst.rendering

Class SceneRenderer

java.lang.Object

cz.fidentis.analyst.rendering.SceneRenderer

public class SceneRenderer
extends Object

Handles DrawableMeshs - objects to be drawn, and (re-)renders them on demand.

Field Summary

Fields

Modifier and Type	Field	Description
static final Color	BRIGHT_BACKGROUND
static final Color	DARK_BACKGROUND

Constructor Summary

Constructors

Constructor	Description
SceneRenderer()

Method Summary

Modifier and Type	Method	Description
Ray	castRayThroughPixel(int pixelX, int pixelY, Camera camera)	Cast a ray through a pixel under the mouse pointer.
protected void	clearScene()	Clears the scene and prepares it for the re-drawing.
ShadersManager	getShadersManager()	Gets the current manager of shaders
int	getViewportHeight()	gets view port height in pixels
int	getViewportWidth()	gets view port width in pixels
boolean	hasShaders()	Returns true, if OpenGL shaders are available
void	initGLContext(com.jogamp.opengl.GLContext glContext)	Initialization method - must be called first.
void	renderScene(Camera camera, Collection<Drawable> drawables)	Renders drawable objects.
void	setBrightBackground()	Sets the scene background to bright.
void	setDarkBackground()	Sets the scene background to dark.
void	setViewport(int x, int y, int width, int height)	Sets the view-port.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

BRIGHT_BACKGROUND

public static final Color BRIGHT_BACKGROUND

DARK_BACKGROUND

public static final Color DARK_BACKGROUND

Constructor Details

SceneRenderer

public SceneRenderer()

Method Details

initGLContext

public void initGLContext(com.jogamp.opengl.GLContext glContext)

Initialization method - must be called first.

Parameters:

glContext - An OpenGL context. Must not be null, must be at least GL2

Throws:

IllegalArgumentException - if the gl is null

setBrightBackground

public void setBrightBackground()

Sets the scene background to bright.

setDarkBackground

public void setDarkBackground()

Sets the scene background to dark.

setViewport

public void setViewport(int x,
 int y,
 int width,
 int height)

Sets the view-port.

Parameters:

x - X corner

y - Y corner

width - Width

height - Height

renderScene

public void renderScene(Camera camera,
 Collection<Drawable> drawables)

Renders drawable objects.

getViewportWidth

public int getViewportWidth()

gets view port width in pixels

Returns:

view port width in pixels

getViewportHeight

public int getViewportHeight()

gets view port height in pixels

Returns:

view port height in pixels

clearScene

protected void clearScene()

Clears the scene and prepares it for the re-drawing.

getShadersManager

public ShadersManager getShadersManager()

Gets the current manager of shaders

Returns:

shaders manager

hasShaders

public boolean hasShaders()

Returns true, if OpenGL shaders are available

Returns:

true, if OpenGL shaders are available

castRayThroughPixel

public Ray castRayThroughPixel(int pixelX,
 int pixelY,
 Camera camera)

Cast a ray through a pixel under the mouse pointer.

Parameters:

pixelX - The X coordinate of mouse pointer

pixelY - The X coordinate of mouse pointer

camera - Camera

Returns:

A ray directing towards the scene