grapple visualization

Author: mirrorcult

src/Main.as

@@ -129,7 +129,7 @@ package
          FP.console.visible = false;
 
          // player vars
-         FP.console.watch("hSpeed", "vSpeed", "momentum", "radius", "canGrapple", "onGround", "active", "timeLeft", "coinsLeft", "endY", "startY", "counter", "thrust", "health");
+         FP.console.watch("hSpeed", "vSpeed", "momentum", "radius", "canGrapple", "onGround", "active", "timeLeft", "coinsLeft", "endY", "startY", "counter", "thrust", "health", "grappleHSpeed", "grappleVSpeed");
       }
 
       public static function submitFacebook() : void

src/game/Player.as

@@ -131,6 +131,9 @@ package game
       private var varJump:uint = 0;
 
       private const C_FLIP:uint = 65535;
+
+      public var grappleHSpeed:Number = 0;
+      public var grappleVSpeed:Number = 0;
 
       public function Player(level:Level, x:int, y:int)
       {
@@ -193,6 +196,8 @@ package game
          this.hSpeed = FP.point2.x - FP.point.x;
          this.vSpeed = FP.point2.y - FP.point.y;
          this.momentum = 0;
+         this.grappleHSpeed = 0;
+         this.grappleVSpeed = 0;
       }
 
       public function startWarp() : void
@@ -527,6 +532,12 @@ package game
                   this.momentum = 0;
                }
             }
+
+            // cache expected h/v-speed on release for variable watch & display
+            FP.angleXY(FP.point,FP.angle(this.grapple.x,this.grapple.y,x,y),this.radius);
+            FP.angleXY(FP.point2,FP.angle(this.grapple.x,this.grapple.y,x,y) + this.momentum,this.radius);
+            this.grappleHSpeed = FP.point2.x - FP.point.x;
+            this.grappleVSpeed = FP.point2.y - FP.point.y;
             distance = FP.distance(x,y,this.grapple.x,this.grapple.y);
             if(distance > this.BREAK_RADIUS)
             {

src/net/flashpunk/debug/Console.as

@@ -16,6 +16,7 @@ package net.flashpunk.debug
 	import net.flashpunk.utils.Input;
 	import net.flashpunk.utils.Key;
 	import game.tas.TASUtility;
+	import game.Player;
 
 	/**
 	 * FlashPunk debug console; can use to log information or pause the game and view/move Entities and step the frame.
@@ -618,6 +619,28 @@ package net.flashpunk.debug
 						g.lineStyle(1, 0xFFFFFF);
 						g.drawRect((e.x - FP.camera.x) * sx - 3, (e.y - FP.camera.y) * sy - 3, 6, 6);
 					}
+
+					if (e is Player)
+					{
+						var p:Player = e as Player;
+						var h:Number = p.hSpeed;
+						var v:Number = p.vSpeed;
+
+						// calculate from what the h/v speed would be if you released grapple, if grappled
+						if (p.grapple != null && p.grapple.latched != null)
+						{
+							h = p.grappleHSpeed;
+							v = p.grappleVSpeed;
+						}
+
+						// h-speed
+						g.lineStyle(1, 0xFF0000);
+						g.drawRect((e.x - FP.camera.x) * sx, (e.y - FP.camera.y) * sy, h * sx, 1);
+
+						// v-speed, tip to tail
+						g.lineStyle(1, 0x0000FF)
+						g.drawRect((e.x - FP.camera.x + h) * sx, (e.y - FP.camera.y) * sy, 1, v * sy);
+					}
 				}
 			}
 		}