From af825cefe94eb8a677d61bc6721451af63105988 Mon Sep 17 00:00:00 2001
From: Jules Laplace <jules@okfoc.us>
Date: Tue, 15 Apr 2014 14:47:56 -0400
Subject: rect clipping works properly

---
 rectangles.html | 42 ++++++++++++++++++++++++++++++++++++++----
 1 file changed, 38 insertions(+), 4 deletions(-)

(limited to 'rectangles.html')

diff --git a/rectangles.html b/rectangles.html
index 71f83c6..c8b3c82 100644
--- a/rectangles.html
+++ b/rectangles.html
@@ -31,6 +31,8 @@ body > div {
 <script type="text/javascript" src="vec2.js"></script>
 <script type="text/javascript">
 
+window.z = true;
+
 (function(){
 	var color_palettes = {
 		alpha: [
@@ -88,8 +90,8 @@ canvas.addEventListener("mousedown", function(e){
 		mouse.quantize(10)
 	}
 
-	var intersects = rects.filter(function(r){ return r.contains(x,y) })
-	console.log(intersects)
+	var intersects = rects.filter(function(r){ return r.focused = r.contains(x,y) })
+	// console.log(intersects)
 	
 	if (intersects.length){
 		dragging = intersects[0]
@@ -180,6 +182,7 @@ function solve_rects(){
 	rects = sort_rects()
 
 	for (var i = 0; i < rects.length; i++) {
+		rects[i].id = i
 		rects[i].reset()
 	}
 	regions = []
@@ -206,17 +209,46 @@ function solve_rects(){
 	// generate walls from surviving regions
 	// generate ceiling-walls where ceiling has discontinuity
 
+	// regions = shuffle( regions.filter(function(r){ return !!r }) )
 	regions = regions.filter(function(r){ return !!r })
+
+// 	var ty = new tree (regions[0].y.a, [regions[0]])
+// 	var tx = new tree (regions[0].x.a, ty)
+// 	var ttx, tty
+// 	
+// 	for (var i = 1; i < regions.length; i++) {
+// 		ttx = tx.add (regions[i].x.a, null)
+// 		if (ttx.data) {
+// 			tty = ttx.data.add (regions[i].y.a, null)
+// 			// duplicate polygon?
+// 			if (tty.data) {
+// 				tty.data.forEach(function(yy){
+// 					if (yy.x.eq(regions[i].x) && yy.y.eq(regions[i].y) ) {
+// 						yy.sides = 0
+// 						regions[i].sides = 0
+// 					}
+// 				})
+// 			}
+// 			else {
+// 				tty.data = [regions[i]]
+// 			}
+// 		}
+// 		else {
+// 			ttx.data = new tree (regions[i].y.a, [regions[i]])
+// 		}
+// 	}
+	z = false
 	for (var i = 0; i < regions.length; i++) {
 		ctx.fillStyle = colors[i % colors.length]
-		regions[i] && regions[i].fill()
+		regions[i].fill().stroke_sides()
 	}
 
 	document.getElementById("intersects").innerHTML = regions.join("<br>")
 }
+
 function sort_rects(){
 	return rects.sort(function(a,b){
-		if (a.x.a <= b.x.a) {
+		if (a.x.a < b.x.a) {
 			return -1
 		}
 		if (a.x.a > b.x.a) {
@@ -263,5 +295,7 @@ function draw_mouse(){
 	}
 }
 
+document.body.addEventListener("mousedown", function(){ z = true })
+
 </script>
 </html>
-- 
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