2018-08-01 21:34:58 +08:00

183 lines
3.5 KiB
JavaScript

/**
* @author Michael Guerrero / http://realitymeltdown.com
*/
THREE.BlendCharacter = function () {
this.weightSchedule = [];
this.warpSchedule = [];
this.load = function ( url, onLoad ) {
var scope = this;
var loader = new THREE.ObjectLoader();
loader.load( url, function( loadedObject ) {
// The exporter does not currently allow exporting a skinned mesh by itself
// so we must fish it out of the hierarchy it is embedded in (scene)
loadedObject.traverse( function( object ) {
if ( object instanceof THREE.SkinnedMesh ) {
scope.skinnedMesh = object;
}
} );
THREE.SkinnedMesh.call( scope, scope.skinnedMesh.geometry, scope.skinnedMesh.material );
// If we didn't successfully find the mesh, bail out
if ( scope.skinnedMesh == undefined ) {
console.log( 'unable to find skinned mesh in ' + url );
return;
}
scope.material.skinning = true;
scope.mixer = new THREE.AnimationMixer( scope );
// Create the animations
for ( var i = 0; i < scope.geometry.animations.length; ++ i ) {
scope.mixer.clipAction( scope.geometry.animations[ i ] );
}
// Loading is complete, fire the callback
if ( onLoad !== undefined ) onLoad();
} );
};
this.loadJSON = function ( url, onLoad ) {
var scope = this;
var loader = new THREE.JSONLoader();
loader.load( url, function( geometry, materials ) {
var originalMaterial = materials[ 0 ];
originalMaterial.skinning = true;
THREE.SkinnedMesh.call( scope, geometry, originalMaterial );
var mixer = new THREE.AnimationMixer( scope );
scope.mixer = mixer;
// Create the animations
for ( var i = 0; i < geometry.animations.length; ++ i ) {
mixer.clipAction( geometry.animations[ i ] );
}
// Loading is complete, fire the callback
if ( onLoad !== undefined ) onLoad();
} );
};
this.update = function( dt ) {
this.mixer.update( dt );
};
this.play = function( animName, weight ) {
//console.log("play('%s', %f)", animName, weight);
return this.mixer.clipAction( animName ).
setEffectiveWeight( weight ).play();
};
this.crossfade = function( fromAnimName, toAnimName, duration ) {
this.mixer.stopAllAction();
var fromAction = this.play( fromAnimName, 1 );
var toAction = this.play( toAnimName, 1 );
fromAction.crossFadeTo( toAction, duration, false );
};
this.warp = function( fromAnimName, toAnimName, duration ) {
this.mixer.stopAllAction();
var fromAction = this.play( fromAnimName, 1 );
var toAction = this.play( toAnimName, 1 );
fromAction.crossFadeTo( toAction, duration, true );
};
this.applyWeight = function( animName, weight ) {
this.mixer.clipAction( animName ).setEffectiveWeight( weight );
};
this.getWeight = function( animName ) {
return this.mixer.clipAction( animName ).getEffectiveWeight();
};
this.pauseAll = function() {
this.mixer.timeScale = 0;
};
this.unPauseAll = function() {
this.mixer.timeScale = 1;
};
this.stopAll = function() {
this.mixer.stopAllAction();
};
this.showModel = function( boolean ) {
this.visible = boolean;
};
};
THREE.BlendCharacter.prototype = Object.create( THREE.SkinnedMesh.prototype );
THREE.BlendCharacter.prototype.constructor = THREE.BlendCharacter;
THREE.BlendCharacter.prototype.getForward = function() {
var forward = new THREE.Vector3();
return function() {
// pull the character's forward basis vector out of the matrix
forward.set(
- this.matrix.elements[ 8 ],
- this.matrix.elements[ 9 ],
- this.matrix.elements[ 10 ]
);
return forward;
}
};