From 6b9cf0e41c4e0c09a715e59c162380b5fad42cba Mon Sep 17 00:00:00 2001
From: Jules Laplace <jules@okfoc.us>
Date: Mon, 3 Nov 2014 12:44:23 -0500
Subject: different collision algo for mobile movement

---
 public/assets/test/intersect3.html | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

(limited to 'public/assets/test/intersect3.html')

diff --git a/public/assets/test/intersect3.html b/public/assets/test/intersect3.html
index ed81346..5440a76 100644
--- a/public/assets/test/intersect3.html
+++ b/public/assets/test/intersect3.html
@@ -217,8 +217,9 @@ function draw (time) {
 		end_of_ray.a += len * cos(aw)
 		end_of_ray.b += len * sin(aw)
 		
-// 		end_of_ray.a = clamp(end_of_ray.a, wall_vec.x.a, wall_vec.y.a)
-// 		end_of_ray.b = clamp(end_of_ray.b, wall_vec.x.b, wall_vec.y.b)
+		wall_vec.normalize()
+		end_of_ray.a = clamp(end_of_ray.a, wall_vec.x.a, wall_vec.y.a)
+		end_of_ray.b = clamp(end_of_ray.b, wall_vec.x.b, wall_vec.y.b)
 		
 		drawPoint(end_of_ray)
 		drawLine(closest_intersect2, end_of_ray, "#00f")
@@ -295,7 +296,19 @@ cursor.extend_ends = function(n){
 	clone.y.b += n*sin(a)
 	return clone
 }
-
+wall_vec.normalize = function(){
+  var carry
+  if (this.x.a > this.y.a) {
+    carry = this.x.a
+    this.x.a = this.y.a
+    this.y.a = carry
+  }
+  if (this.x.b > this.y.b) {
+    carry = this.x.b
+    this.x.b = this.y.b
+    this.y.b = carry
+  }
+}
 function animate(time){
   requestAnimationFrame(animate)
   draw(time)
-- 
cgit v1.2.3-70-g09d2