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face selection manager

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This commit is contained in:
Val Erastov 2014-08-19 01:55:44 -07:00
parent f9ae20c167
commit ec6ff0e739
1 changed files with 46 additions and 12 deletions
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58
web/app/viewer.js
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@ -1,4 +1,13 @@
TCAD.view = {};
TCAD.view.setFaceColor = function(polyFace, color) {
for (var i = 0; i < polyFace.faces.length; ++i) {
var face = polyFace.faces[i];
face.color.set( color );
}
};
TCAD.Viewer = function() {
function aspect() {
@ -71,6 +80,11 @@ TCAD.Viewer = function() {
cube.rotation.x += 1;
cube.rotation.y += 1;
/**
* CONTROLS
**/
// controls = new THREE.OrbitControls( camera , renderer.domElement);
controls = new THREE.TrackballControls( camera , renderer.domElement);
@ -90,9 +104,16 @@ TCAD.Viewer = function() {
controls.dynamicDampingFactor = 0.3;
controls.keys = [ 65, 83, 68 ];
controls.addEventListener( 'change', render );
/**
* FACE SELECTING
**/
var selectionMgr = new TCAD.FaceSelectionManager( 0xFAFAD2, 0xB0C4DE)
var projector = new THREE.Projector();
var raycaster = new THREE.Raycaster();
var mouse = new THREE.Vector3(0, 0, 0);
@ -106,21 +127,15 @@ TCAD.Viewer = function() {
var y = - ( event.clientY / window.innerHeight ) * 2 + 1;
var mouse = new THREE.Vector3( x, y, 1 );
// console.log(event.clientX + ":"+event.clientY + " -> " + mouse.x + ":"+mouse.y);
var ray = projector.pickingRay(mouse.clone(), camera);
var intersects = ray.intersectObjects( scene.children );
if (intersects.length > 0) {
// console.log("Face Index: " + intersects[0].faceIndex);
console.log(intersects[0]);
if (intersects[0].face.__TCAD_polyFace !== undefined) {
var poly = intersects[0].face.__TCAD_polyFace;
for (var i = 0; i < poly.faces.length; ++i) {
var face = poly.faces[i];
face.color.setHex( 0x00FF00 );
cube.geometry.colorsNeedUpdate = true;
}
var picked = intersects[0];
if (picked.face.__TCAD_polyFace !== undefined) {
var poly = picked.face.__TCAD_polyFace;
selectionMgr.select(poly);
picked.object.geometry.colorsNeedUpdate = true;
}
render();
}
}
@ -141,4 +156,23 @@ TCAD.Viewer = function() {
render();
animate();
};
TCAD.FaceSelectionManager = function(selectionColor, defaultColor) {
this.selectionColor = selectionColor;
this.defaultColor = defaultColor;
this.selection = [];
};
TCAD.FaceSelectionManager.prototype.select = function(polyFace) {
this.clear();
this.selection.push(polyFace);
TCAD.view.setFaceColor(polyFace, this.selectionColor);
};
TCAD.FaceSelectionManager.prototype.clear = function() {
for (var i = 0; i < this.selection.length; ++ i) {
TCAD.view.setFaceColor(this.selection[i], this.defaultColor);
}
this.selection.length = 0;
};