intersect doesnt need clamping

1 files changed, 13 insertions, 6 deletions

diff --git a/public/assets/test/intersect3.html b/public/assets/test/intersect3.html
index 13a8024..ed81346 100644
--- a/public/assets/test/intersect3.html
+++ b/public/assets/test/intersect3.html
@@ -118,13 +118,16 @@ function draw (time) {
   var closest_intersect, t, min_t = 1
   var cursor_copy = cursor.extend_ends(scene.camera.radius)
 
-hud.innerHTML = cursor_copy.x
-drawPoint(cursor_copy.x, "#ff0")
+  hud.innerHTML = cursor_copy.x
+  drawPoint(cursor_copy.x, "#ff0")
+
   Walls.list.forEach(function(wall, i){
 		wall.get_points(wall_vec)
     drawLine(wall_vec.x, wall_vec.y, "#088")
 
 		origins.x = cursor_copy.x
+    origins.y = wall_vec.x
+    
     t = perp(origins, wall_vec) / ( perp(cursor_copy, wall_vec) || 0.0000001 )
     intersect.a = cursor_copy.x.a + ( cursor_copy.y.a - cursor_copy.x.a ) * t
     intersect.b = cursor_copy.x.b + ( cursor_copy.y.b - cursor_copy.x.b ) * t
@@ -177,9 +180,12 @@ drawPoint(cursor_copy.x, "#ff0")
 		drawLine(wall_vec.x, wall_vec.y, "rgba(0,255,255,1.0)")
 
 		origins.x = cursor.x
+    origins.y = wall_vec.x
+
     var new_t = perp(origins, wall_vec) / ( perp(cursor, wall_vec) || 0.0000001 )
     var wall_t = perp(origins, cursor) / ( perp(wall_vec, cursor) || 0.0000001 )
-		var closest_intersect2 = new vec2()
+
+		var closest_intersect2 = new vec2 ()
     closest_intersect2.a = cursor.x.a + ( cursor.y.a - cursor.x.a ) * new_t
     closest_intersect2.b = cursor.x.b + ( cursor.y.b - cursor.x.b ) * new_t
 
@@ -193,6 +199,7 @@ drawPoint(cursor_copy.x, "#ff0")
 		var aw = angle(closest_wall)
 		var dd = dot2(diff(closest_wall), diff(cursor))
 
+//     hud.innerHTML += " " + dd + " " + round(deg(aw))
 		if (dd > 0) {
 			len *= 1-abs(wall_t)
 		}
@@ -204,14 +211,14 @@ drawPoint(cursor_copy.x, "#ff0")
 		len = clamp(len, 0, (1-min_t) * sqrt(dot(cursor, cursor)))
 
 // 		hud.innerHTML = [ aw ].map(function(n){ return round(deg(n)) })
-// 		hud.innerHTML = " " + (dd > 0 ? "gt": "lt") + " " + round(len) + " " + (1-min_t) + " " + round((1-min_t)*sqrt(dot2(diff(cursor), diff(cursor))))
+// 		hud.innerHTML += "__ " + (dd > 0 ? "gt": "lt") + " " + round(len) + " " + (1-min_t) + " " + round((1-min_t)*sqrt(dot2(diff(cursor), diff(cursor))))
 
 		var end_of_ray = closest_intersect2.clone()
 		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)
+// 		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")