From c1e104e23211e3631dc55a90954c6143a66184fc Mon Sep 17 00:00:00 2001
From: Simonrazer <lpsimonrazer@gmail.com>
Date: Wed, 15 Aug 2018 08:51:45 +0200
Subject: [PATCH] Lerp Vectors node

---
 Sources/armory/logicnode/LerpVectorsNode.hx | 41 +++++++++++++++++++++
 blender.py                                  | 14 +++++++
 2 files changed, 55 insertions(+)
 create mode 100644 Sources/armory/logicnode/LerpVectorsNode.hx

diff --git a/Sources/armory/logicnode/LerpVectorsNode.hx b/Sources/armory/logicnode/LerpVectorsNode.hx
new file mode 100644
index 0000000..32312cd
--- /dev/null
+++ b/Sources/armory/logicnode/LerpVectorsNode.hx
@@ -0,0 +1,41 @@
+package armory.logicnode;
+
+import iron.math.Vec4;
+
+class LerpVectorsNode extends LogicNode {
+
+	var v = new Vec4();
+	var v1:Vec4;
+	var v2:Vec4;
+	var t=0.0;
+	var c:Float;
+	var f=0.0;
+
+	public function new(tree:LogicTree) {
+		super(tree);
+	}
+
+	override function run() {
+		v1 = inputs[1].get();
+		v2 = inputs[2].get();
+		t = inputs[3].get();
+		f = (t / iron.system.Time.delta);
+	}
+
+	override function get(from:Int):Dynamic {	
+		if (v1==null) {
+			return null;
+			c=1;
+			}
+		if (t>=0) {		
+			trace(t);	
+			v.x=v1.x+((v2.x-v1.x)/f)*c;
+			v.y=v1.y+((v2.y-v1.y)/f)*c;
+			v.z=v1.z+((v2.z-v1.z)/f)*c;
+			t -= iron.system.Time.delta;
+			c++;
+			return v;
+		}
+		else {c=1; return null;}
+	}
+}
diff --git a/blender.py b/blender.py
index 765286b..42827cc 100644
--- a/blender.py
+++ b/blender.py
@@ -223,6 +223,19 @@ def init(self, context):
         self.inputs.new('NodeSocketFloat', 'Seconds')
         self.inputs.new('NodeSocketInt', 'Repetitions (0 for oneshot, negative for unlimited)')
 
+class LerpVectorsNode(Node, ArmLogicTreeNode):
+    '''Lerp Vectors node'''
+    bl_idname = 'LNLerpVectorsNode'
+    bl_label = 'Lerp Vectors'
+    bl_icon = 'GAME'
+
+    def init(self, context):
+        self.inputs.new('ArmNodeSocketAction', 'In')
+        self.inputs.new('NodeSocketVector', 'Starting Vector')
+        self.inputs.new('NodeSocketVector', 'End Vector')
+        self.inputs.new('NodeSocketFloat', 'Time For Change')
+        self.outputs.new('NodeSocketVector', 'Vector')
+
 def register():
     # Add custom nodes
     # TODO: separate into single .py file per logic node, similar to the main Armory repository
@@ -235,6 +248,7 @@ def register():
     add_node(CameraController, category='Action')
     add_node(AnimationControllerNode, category='Animation')
     add_node(TimerNode, category='Logic')
+    add_node(LerpVectorsNode, category='Value')
 
     # Register newly added nodes
     arm.nodes_logic.register_nodes()