From 2389763c5f0912f4d15f832194214a3a996b049c Mon Sep 17 00:00:00 2001
From: Thomas FORGIONE <thomas.forgione@gmail.com>
Date: Tue, 5 May 2015 16:49:00 +0200
Subject: [PATCH] Added movement with angle with arrows

---
 static/js/PointerCamera.js         | 43 ++++++++++++++++++++++++++++++
 static/js/prototype/arrows/main.js |  2 +-
 2 files changed, 44 insertions(+), 1 deletion(-)

diff --git a/static/js/PointerCamera.js b/static/js/PointerCamera.js
index f176b5e..55399f6 100644
--- a/static/js/PointerCamera.js
+++ b/static/js/PointerCamera.js
@@ -77,6 +77,21 @@ PointerCamera.prototype.update = function() {
             this.anglesFromVectors();
         }
 
+    } else if (this.movingHermite) {
+        // Hermite polynom version
+        var eval = this.hermitePosition.eval(this.t);
+        this.position.x = eval.x;
+        this.position.y = eval.y;
+        this.position.z = eval.z;
+
+        this.target = Tools.sum(this.position, this.hermiteAngles.eval(this.t));
+
+        this.t += 0.005;
+
+        if (this.t > 1) {
+            this.movingHermite = false;
+            this.anglesFromVectors();
+        }
     } else {
         // Update angles
         if (this.increasePhi)   {this.phi   += this.sensitivity; this.changed = true; }
@@ -181,6 +196,34 @@ PointerCamera.prototype.move = function(otherCamera, toSave) {
     }
 }
 
+PointerCamera.prototype.moveHermite = function(otherCamera, toSave) {
+    if (toSave === undefined)
+        toSave = true;
+
+    this.movingHermite = true;
+    this.t = 0;
+
+    this.hermitePosition = new Hermite.special.Polynom(
+        this.position.clone(),
+        otherCamera.position.clone(),
+        Tools.diff(otherCamera.target, otherCamera.position)
+    );
+
+    this.hermiteAngles = new Hermite.special.Polynom(
+        Tools.diff(this.target, this.position),
+        Tools.diff(otherCamera.target, otherCamera.position),
+        new THREE.Vector3()
+    );
+
+    if (toSave) {
+        if (this.changed) {
+            this.save();
+            this.changed = false;
+        }
+        this.history.addState({position: otherCamera.position.clone(), target: otherCamera.target.clone()});
+    }
+}
+
 PointerCamera.prototype.isColliding = function(direction) {
     this.raycaster.set(this.position, direction.clone().normalize());
     var intersects = this.raycaster.intersectObjects(this.collidableObjects, true);
diff --git a/static/js/prototype/arrows/main.js b/static/js/prototype/arrows/main.js
index 1fffe41..da6c657 100644
--- a/static/js/prototype/arrows/main.js
+++ b/static/js/prototype/arrows/main.js
@@ -505,7 +505,7 @@ function updateMouse(event) {
 function click(event) {
     var newCamera = pointedCamera(event);
     if (newCamera !== undefined) {
-        cameras.mainCamera().move(newCamera);
+        cameras.mainCamera().moveHermite(newCamera);
         updateElements();
     }
 }