File size: 5,205 Bytes
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//-----------------------------------------------------------------------------------
function SDCSConstraint (node) {
this.node = node;
this.focussed = false;
this.active = false;
this.init_position = new THREE.Vector3();
this.init_position.set(node.init_pos.x, node.init_pos.y, node.init_pos.z);
this.position = new THREE.Vector3();
this.position.set(node.k_pos.x, node.k_pos.y, node.k_pos.z);
this.fixed = true;
this.rotation = new THREE.Vector3();
this.pos_weight = 10.0;
this.rot_weight = 10.0;
this.render_obj = null;
}
function SDCSConstraint_manager () {
}
SDCSConstraint_manager.prototype = {
init: function (scene_manager) {
this.scene_manager = scene_manager;
this.scene = scene_manager.scene_selectable;
this.model = scene_manager.model;
},
load: function (init_pos, rotation, fixed, pos_weight, rot_weight) {
var min_length = 10000000;
var min_index = -1;
for (var i=0; i< this.model.sdcs_data.cnodes.length; i++) {
var node = this.model.sdcs_data.cnodes[i];
var len = (new THREE.Vector3( node.init_pos.x - init_pos.x, node.init_pos.y - init_pos.y, node.init_pos.z - init_pos.z)).length();
if (len < min_length) {
min_index = i;
min_length = len;
}
}
if (min_index >= 0) {
var c = this.create( this.model.sdcs_data.cnodes[min_index], fixed );
c.rotation.set( rotation.x, rotation.y, rotation.z );
c.pos_weight = pos_weight;
c.rot_weight = rot_weight;
}
},
add_helper: function (constraint) {
if ( constraint.render_object_circle ) {
constraint.render_object.remove( constraint.render_object_circle );
constraint.render_object_circle = null;
}
if ( constraint.render_object_cross ) {
constraint.render_object.remove( constraint.render_object_cross );
constraint.render_object_cross = null;
}
// add circle object
var arcShape = new THREE.Shape();
arcShape.absarc( 0, 0, constraint.pos_weight / 2.0, 0, Math.PI*2, false );
var points = arcShape.createPointsGeometry();
var circle = new THREE.Line( points, new THREE.LineBasicMaterial( { color: 0xffff00, transparent: true, opacity: 0.5 } ) );
constraint.render_object.add( circle );
constraint.render_object_circle = circle;
// add cross object
var cross_len = constraint.rot_weight;
var crossShape = new THREE.Shape();
crossShape.moveTo( 0, - cross_len/2 );
crossShape.lineTo( 0, cross_len/2 );
crossShape.moveTo( - cross_len/2, 0 );
crossShape.lineTo( cross_len/2, 0 );
var points = crossShape.createPointsGeometry();
var cross = new THREE.Line( points, new THREE.LineBasicMaterial( { color: 0x00ff00, transparent: true, opacity: 0.5 } ) );
constraint.render_object.add( cross );
constraint.render_object_cross = cross;
},
create: function (node, fixed) {
if (node) {
var model = this.model;
// check duplicate
for (var i in model.sdcs_constraints) {
if ( model.sdcs_constraints[i].node == node )
return;
}
model.sdcs_deformer.precomputed = false;
var constraint = new SDCSConstraint( node );
if (fixed) {
constraint.fixed = fixed;
constraint.rot_weight = 10.0;
} else {
constraint.rot_weight = 0.0;
}
// add render object
var geometry = new THREE.SphereGeometry( 1.0, 12, 12 );
var material = new THREE.MeshBasicMaterial( {transparent: true, color: 0xffff00} );
material.color.setHSL( 0.15, 1.0, 0.5 );
var render_obj = new THREE.Mesh( geometry, material );
render_obj.position.set(constraint.position.x, constraint.position.y, constraint.position.z);
// user data
render_obj.class = this.scene_manager.object_type.CONSTRAINT;
render_obj.ref_object = constraint;
constraint.render_object = render_obj;
this.add_helper(constraint);
// add constraint
this.model.sdcs_constraints.push(constraint);
// add to scene
this.scene.add( render_obj );
console.log(this.model.sdcs_constraints);
return constraint;
}
return null;
},
delete: function (constraint) {
if (constraint) {
this.model.sdcs_deformer.precomputed = false;
var index = -1;
for (var i in this.model.sdcs_constraints) {
if (this.model.sdcs_constraints[i] == constraint) {
// remove from scene
this.scene.remove( this.model.sdcs_constraints[i].render_object );
// remove from array
this.model.sdcs_constraints.splice(i,1);
break;
}
}
console.log(this.model.sdcs_constraints);
}
},
clear: function () {
this.model.sdcs_deformer.precomputed = false;
while( this.model.sdcs_constraints.length > 0) {
// remove from scene
this.scene.remove( this.model.sdcs_constraints[0].render_object );
// remove from array
this.model.sdcs_constraints.splice(0,1);
}
}
}
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