openglobus

Class: RenderNode

RenderNode

Render node is a logical part of a render mechanism. Represents scene rendering. Forexample one scene node for rendering the Earth, another one for rendering the Moon, another node for rendering stars etc. Each render node has own model view space defined with matrices(scale, rotation, translation, transformation). There are collections of ligh sources, entities and so on in the node. Access to the node is renderer.renderNodes["Earth"]

new RenderNode(name)

og/scene/RenderNode.js, line 16
Name Type Description
name string Node name.

Extends

Members

entityCollectionsArray.<EntityCollection>

Entity collection array.

lightEnabledboolean

Lighting calculations.

rendererRenderer

Renderer that calls frame() callback.

show

Show rendering.

Methods

addEntityCollection(entityCollection, isHidden){RenderNode}

og/scene/RenderNode.js, line 125
Adds entity collection.
Name Type Description
entityCollection EntityCollection Entity collection.
isHidden boolean optional If it's true that this collection has specific rendering.
Returns:
Type Description
RenderNode -

addLight(light){RenderNode}

og/scene/RenderNode.js, line 145
Adds point light source.
Name Type Description
light LightSource Light source.
Returns:
Type Description
RenderNode

addNode()

og/scene/RenderNode.js, line 71
Adds node to the current hierarchy.

assign(renderer)

og/scene/RenderNode.js, line 81
Assign render node with renderer.
Name Type Description
renderer Renderer Redner node's renderer.

drawNode()

og/scene/RenderNode.js, line 174
Calls render frame node's callback. Used in renderer.

drawPickingEntityCollections(ec)

og/scene/RenderNode.js, line 280
Draw entity collections picking frame.
Name Type Description
ec Array.<og.EntityCollection> Entity collection array.

getLightByName(name){LightSource}

og/scene/RenderNode.js, line 156
Gets light object by its name.
Name Type Description
name string Point light name.
Returns:
Type Description
LightSource

isActive(){Boolean}

og/scene/RenderNode.js, line 183
Gets render node activity.
Returns:
Type Description
Boolean -

removeEntityCollection(entityCollection)

og/scene/RenderNode.js, line 135
Removes entity collection.
Name Type Description
entityCollection EntityCollection Entity collection for remove.

removeLight(light)

og/scene/RenderNode.js, line 166
Removes light source.
Name Type Description
light LightSource Light source object.

setActive(isActive)

og/scene/RenderNode.js, line 192
Rendering activation.
Name Type Description
isActive boolean Activation flag.

setDrawMode(mode)

og/scene/RenderNode.js, line 217
Sets draw mode
Name Type Description
mode Number Draw mode, such as gl.TRIANGLES, gl.TRIANGLE_STRIP, gl.LINES etc.

transformLights()

og/scene/RenderNode.js, line 228
IMPORTANT: This function have to be called manualy in each render node frame callback, before drawing scene geometry.