1 files changed, 162 insertions, 0 deletions
diff --git a/public/assets/javascripts/rectangles/engine/map/draw.js b/public/assets/javascripts/rectangles/engine/map/draw.js
new file mode 100644
index 0000000..b2fc05f
--- /dev/null
+++ b/public/assets/javascripts/rectangles/engine/map/draw.js
@@ -0,0 +1,162 @@
+
+map.draw = new function(){
+
+	var base = this
+
+	base.animate = function(){
+		ctx.save()
+		map.draw.clear_canvas()
+		map.draw.ruler()
+
+		ctx.translate( map.bounds.a * 1/2, map.bounds.b * 1/2)
+		ctx.scale( map.zoom, map.zoom )
+		ctx.translate( map.center.a,  map.center.b)
+		ctx.scale( -1, 1 )
+
+		map.draw.regions(Rooms.regions)
+		map.draw.mouse(map.ui.mouse.cursor)
+		map.draw.coords()
+		scene && map.draw.camera(scene.camera)
+
+		ctx.restore()
+	}
+
+	base.clear_canvas = function(){
+		ctx.fillStyle = "rgba(255,255,255,0.99)"
+		ctx.clearRect(0,0,w,h)
+		ctx.fillRect(0,0,w,h)
+	}
+
+	base.ruler = function (){
+		ctx.strokeStyle = "rgba(80,80,80,0.5)"
+		ctx.lineWidth = 1
+		var len = 5
+		for (var i = 0.5; i < w; i += 10) {
+			line(i, 0, i, len)
+			line(0, i, len, i)
+		}
+	}
+
+	base.regions = function(regions){
+		for (var i = 0; i < regions.length; i++) {
+			if (regions[i].dupe) continue
+			ctx.fillStyle = colors[i % colors.length]
+			fill_region(regions[i])
+			stroke_sides(regions[i])
+		}
+	}
+
+	base.mouse = function(mouse){
+		var radius = 3 / map.zoom
+	
+		ctx.fillStyle = "rgba(255,0,0,0.4)";
+		ctx.beginPath();
+		ctx.arc(mouse.x.b, mouse.y.b, radius, 0, 2*Math.PI, false);
+		ctx.fill();
+
+		if (mouse.width() != 0 && mouse.height() != 0) {
+			if (map.ui.dragging) {
+				stroke_rect(mouse)
+			}
+			else {
+				ctx.fillStyle = "rgba(255,255,0,0.5)"
+				fill_region( mouse.clone().translate() )
+			}
+		}
+	}
+	
+	base.camera = function(cam){
+ 		ctx.lineWidth = 0.5
+
+		ctx.save()
+
+		ctx.translate(cam.x, cam.z)
+		ctx.rotate(cam.rotationY)
+
+		var radius = 3 / map.zoom
+
+		ctx.fillStyle = '#888';
+		
+		ctx.beginPath();
+		ctx.moveTo(0,0)
+		ctx.lineTo(-radius,-radius/2)
+		ctx.lineTo(0,radius*3)
+		ctx.lineTo(radius,-radius/2)
+		ctx.moveTo(0,0)
+		ctx.fill()
+		
+		ctx.restore()
+	}
+
+	base.coords = function(){
+		ctx.fillStyle = "#888";
+		dot_at(0,0)
+		ctx.fillStyle = "#bbb";
+		dot_at(100,0)
+		dot_at(0,100)
+		ctx.fillStyle = "#ddd";
+		dot_at(200,0)
+		dot_at(0,200)
+		ctx.fillStyle = "#eee";
+		dot_at(300,0)
+		dot_at(0,300)
+		
+		ctx.strokeStyle = "rgba(0,0,0,0.1)"
+		ctx.lineWidth = 1/map.zoom
+		
+		var sides = map.sides()
+		var quant = sides.clone().quantize(200)
+		for (var x = quant.x.a - 200; x <= quant.x.b; x += 200) {
+			line(x, sides.y.a, x, sides.y.b)
+		}
+		for (var y = quant.y.a - 200; y <= quant.y.b; y += 200) {
+			line(sides.x.a, y, sides.x.b, y)
+		}
+	}
+
+	//
+
+	function line (x,y,a,b,translation){
+		if (translation) {
+			x += translation.a
+			a += translation.a
+			y += translation.b
+			b += translation.b
+		}
+		ctx.beginPath()
+		ctx.moveTo(x,y)
+		ctx.lineTo(a,b)
+		ctx.stroke()
+	}
+
+	function fill_region(r){
+		ctx.fillRect(r.x.a + r.translation.a,
+								 r.y.a + r.translation.b,
+								 r.x.length(),
+								 r.y.length())
+	}
+
+	function stroke_sides (r){
+		if (r.sides & FRONT) line(r.x.a, r.y.a, r.x.b, r.y.a)
+		if (r.sides &  BACK) line(r.x.a, r.y.b, r.x.b, r.y.b)
+		if (r.sides &  LEFT) line(r.x.a, r.y.a, r.x.a, r.y.b)
+		if (r.sides & RIGHT) line(r.x.b, r.y.a, r.x.b, r.y.b)
+	}
+
+	function stroke_rect (r){
+		line(r.x.a, r.y.a, r.x.b, r.y.b, r.translation)
+	}
+
+	function dot_at (x,z){
+		ctx.save()
+		ctx.translate(x,z)
+
+		var radius = 2 / map.zoom
+
+		ctx.beginPath();
+		ctx.arc(0, 0, radius, 0, 2*Math.PI, false);
+		ctx.fill();
+
+		ctx.restore()
+	}
+}
+\ No newline at end of file