You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
33 lines
871 B
33 lines
871 B
2 years ago
|
import Node from '../core/Node.js';
|
||
|
|
import CameraNode from '../accessors/CameraNode.js';
|
||
|
|
import ModelNode from '../accessors/ModelNode.js';
|
||
|
|
import OperatorNode from '../math/OperatorNode.js';
|
||
|
|
import PositionNode from '../accessors/PositionNode.js';
|
||
|
|
|
||
|
|
class ModelViewProjectionNode extends Node {
|
||
|
|
|
||
|
|
constructor( position = new PositionNode() ) {
|
||
|
|
|
||
|
|
super( 'vec4' );
|
||
|
|
|
||
|
|
this.position = position;
|
||
|
|
|
||
|
|
this._mvpMatrix = new OperatorNode( '*', new CameraNode( CameraNode.PROJECTION_MATRIX ), new ModelNode( ModelNode.VIEW_MATRIX ) );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
generate( builder, output ) {
|
||
|
|
|
||
|
|
const type = this.getType( builder );
|
||
|
|
|
||
|
|
const mvpSnipped = this._mvpMatrix.build( builder );
|
||
|
|
const positionSnipped = this.position.build( builder, 'vec3' );
|
||
|
|
|
||
|
|
return builder.format( `( ${mvpSnipped} * vec4( ${positionSnipped}, 1.0 ) )`, type, output );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
export default ModelViewProjectionNode;
|