Merge pull request #6858 from gero3/addScaledVector

Add scaled vector

Merge pull request #6858 from gero3/addScaledVector
Add scaled vector
c1afa582 · Ricardo Cabello · 79a96768 · 342d0643 · c1afa582 · c1afa582
7 changed file
--- a/docs/api/math/Vector2.html
+++ b/docs/api/math/Vector2.html
 <!DOCTYPE html>
 <html lang="en">
 	<head>
-		<meta charset="utf-8" />
+		<meta charset="utf-8" />
 		<base href="../../" />
 		<script src="list.js"></script>
 		<script src="page.js"></script>
@@ -63,6 +63,11 @@
 		Sets this vector to *a + b*.
 		</div>

+		<h3>[method:Vector2 addScaledVector]( [page:Vector2 v], [page:Float s] ) [page:Vector2 this]</h3>
+		<div>
+		Adds the multiple of v and s to this vector.
+		</div>
+
 		<h3>[method:Vector2 sub]( [page:Vector2 v] ) [page:Vector2 this]</h3>
 		<div>
 		Subtracts *v* from this vector.

--- a/docs/api/math/Vector3.html
+++ b/docs/api/math/Vector3.html
 <!DOCTYPE html>
 <html lang="en">
 	<head>
-		<meta charset="utf-8" />
+		<meta charset="utf-8" />
 		<base href="../../" />
 		<script src="list.js"></script>
 		<script src="page.js"></script>
@@ -83,6 +83,11 @@
 		Sets this vector to *a + b*.
 		</div>

+		<h3>[method:Vector3 addScaledVector]( [page:Vector3 v], [page:Float s] ) [page:Vector3 this]</h3>
+		<div>
+		Adds the multiple of v and s to this vector.
+		</div>
+
 		<h3>[method:Vector3 sub]( [page:Vector3 v] ) [page:Vector3 this]</h3>
 		<div>
 		Subtracts *v* from this vector.

--- a/docs/api/math/Vector4.html
+++ b/docs/api/math/Vector4.html
 <!DOCTYPE html>
 <html lang="en">
 	<head>
-		<meta charset="utf-8" />
+		<meta charset="utf-8" />
 		<base href="../../" />
 		<script src="list.js"></script>
 		<script src="page.js"></script>
@@ -58,6 +58,11 @@
 		Sets this vector to *a + b*.
 		</div>

+		<h3>[method:Vector4 addScaledVector]( [page:Vector4 v], [page:Float s] ) [page:Vector4 this]</h3>
+		<div>
+		Adds the multiple of v and s to this vector.
+		</div>
+
 		<h3>[method:Vector4 sub]( [page:Vector4 v] )</h3>
 		<div>
 		Subtracts *v* from this vector.

--- a/src/math/Vector2.js
+++ b/src/math/Vector2.js
@@ -107,6 +107,15 @@ THREE.Vector2.prototype = {
 		return this;

 	},
+	
+	addScaledVector: function ( v, s ) {
+
+        this.x += v.x * s;
+        this.y += v.y * s;
+
+        return this;
+
+    },

 	sub: function ( v, w ) {


--- a/src/math/Vector3.js
+++ b/src/math/Vector3.js
@@ -125,6 +125,16 @@ THREE.Vector3.prototype = {
 		return this;

 	},
+	
+	addScaledVector: function ( v, s ) {
+
+        this.x += v.x * s;
+        this.y += v.y * s;
+        this.z += v.z * s;
+
+        return this;
+
+    },

 	sub: function ( v, w ) {


--- a/src/math/Vector4.js
+++ b/src/math/Vector4.js
@@ -140,6 +140,17 @@ THREE.Vector4.prototype = {
 		return this;

 	},
+	
+	addScaledVector: function ( v, s ) {
+
+        this.x += v.x * s;
+        this.y += v.y * s;
+        this.z += v.z * s;
+        this.w += v.w * s;
+
+        return this;
+
+    },

 	sub: function ( v, w ) {


--- a/src/objects/Mesh.js
+++ b/src/objects/Mesh.js
@@ -65,6 +65,11 @@ THREE.Mesh.prototype.raycast = ( function () {
 	var vA = new THREE.Vector3();
 	var vB = new THREE.Vector3();
 	var vC = new THREE.Vector3();
+	
+	var tempA = new THREE.Vector3();
+	var tempB = new THREE.Vector3();
+	var tempC = new THREE.Vector3();
+

 	return function ( raycaster, intersects ) {

@@ -221,6 +226,7 @@ THREE.Mesh.prototype.raycast = ( function () {
 			var vertices = geometry.vertices;
 			var faces = geometry.faces;

+
 			for ( var f = 0, fl = faces.length; f < fl; f ++ ) {

 				var face = faces[ f ];
@@ -248,18 +254,10 @@ THREE.Mesh.prototype.raycast = ( function () {
 						if ( influence === 0 ) continue;

 						var targets = morphTargets[ t ].vertices;
-
-						vA.x += ( targets[ face.a ].x - a.x ) * influence;
-						vA.y += ( targets[ face.a ].y - a.y ) * influence;
-						vA.z += ( targets[ face.a ].z - a.z ) * influence;
-
-						vB.x += ( targets[ face.b ].x - b.x ) * influence;
-						vB.y += ( targets[ face.b ].y - b.y ) * influence;
-						vB.z += ( targets[ face.b ].z - b.z ) * influence;
-
-						vC.x += ( targets[ face.c ].x - c.x ) * influence;
-						vC.y += ( targets[ face.c ].y - c.y ) * influence;
-						vC.z += ( targets[ face.c ].z - c.z ) * influence;
+						
+						vA.addScaledVector(tempA.subVectors(targets[ face.a ], a),influence);
+						vB.addScaledVector(tempB.subVectors(targets[ face.b ], b),influence);
+						vC.addScaledVector(tempC.subVectors(targets[ face.c ], c),influence);

 					}