diff options
Diffstat (limited to 'assets/javascripts/rectangles/clipper.js')
| -rw-r--r-- | assets/javascripts/rectangles/clipper.js | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/assets/javascripts/rectangles/clipper.js b/assets/javascripts/rectangles/clipper.js deleted file mode 100644 index e712b71..0000000 --- a/assets/javascripts/rectangles/clipper.js +++ /dev/null @@ -1,182 +0,0 @@ -window.ctx = window.w = window.h = null; - -var clipper = new function(){ - var base = this - var canvas = document.createElement("canvas") - var ctx = window.ctx = canvas.getContext("2d") - var w = window.w = canvas.width = 500 - var h = window.h = canvas.height = 500 - var regions = [] - document.querySelector("#map").appendChild(canvas) - - var rooms = base.rooms = [] - - base.creating = false - base.dragging = false - - var modified = true - base.mouse = new rect(0,0,0,0) - - base.init = function (){ - base.bind() - } - base.animate = function(){ - clear_canvas() - - if (modified) { - solve_rects() - builder.tube("clipper:update") - } - draw_ruler() - draw_regions(base.regions) - draw_mouse(base.mouse) - modified = z = false - } - - base.add_room = function(r){ - rooms.push( new room({ - id: base.rooms.length, - rect: r, - }) ) - } - - base.bind = function(){ - canvas.addEventListener("mousedown", function(e){ - e.stopPropagation() - var x = e.pageX, y = e.pageY - base.mouse = new rect (x,y) - if (e.shiftKey) { - base.mouse.quantize(10) - } - - var intersects = rooms.filter(function(r){ - return r.focused = r.rect.contains(x,y) - }) - - if (intersects.length){ - clipper.dragging = intersects[0] - } - else { - clipper.creating = true - } - if (e.shiftKey && clipper.dragging) { - clipper.dragging.rect.quantize(10) - } - }) - canvas.addEventListener("mousemove", function(e){ - e.stopPropagation() - var x, y - if (e.shiftKey) { - x = quantize( e.pageX, 10 ) - y = quantize( e.pageY, 10 ) - } - else { - x = e.pageX - y = e.pageY - } - - base.mouse.x.b = x - base.mouse.y.b = y - - if (clipper.dragging) { - clipper.dragging.rect.translation.a = base.mouse.x.magnitude() - clipper.dragging.rect.translation.b = base.mouse.y.magnitude() - } - else if (clipper.creating) { - base.mouse.x.b = x - base.mouse.y.b = y - } - else { - base.mouse.x.a = base.mouse.x.b - base.mouse.y.a = base.mouse.y.b - } - }) - document.addEventListener("mouseup", function(e){ - e.stopPropagation() - if (clipper.creating) { - if (base.mouse.height() != 0 && base.mouse.width() != 0) { - base.add_room( base.mouse.translate() ) - } - } - if (clipper.dragging) { - clipper.dragging.rect.translate() - } - base.mouse = new rect(e.pageX, e.pageY) - clipper.creating = clipper.dragging = false - modified = true - }) - } - - function solve_rects(){ - - for (var i = 0; i < base.rooms.length; i++) { - base.rooms[i].id = i - base.rooms[i].reset() - } - - var rooms = sort_rooms_by_position( base.rooms ) - - var regions = [] - - var left, right - for (var i = 0; i < rooms.length; i++) { - left = rooms[i] - for (var j = i+1; j < rooms.length; j++) { - right = rooms[j] - if (left.rect.intersects(right.rect)) { - left.clipTo(right.rect) - right.clipTo(left.rect) - } - if (left.rect.x.b < right.rect.x.a) { - break - } - } - } - for (var i = 0; i < rooms.length; i++) { - rooms[i].regions = rooms[i].regions.filter(function(r){ return !!r }) - regions = regions.concat(rooms[i].regions) - } - - regions = sort_rects_by_area( regions ) - - 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, ii){ - if (yy.intersects(regions[i])) { - if (yy.area() > regions[i].area()) { - regions[i].dupe = true - } - else { - yy.dupe = true - tty.data[ii] = regions[i] - } - } - }) - } - else { - tty.data = [regions[i]] - } - } - else { - ttx.data = new tree (regions[i].y.a, [regions[i]]) - } - } - - base.regions = sort_rects_by_position(regions) - } - - // generate floor and ceiling for some regions - // generate walls from surviving regions - // generate ceiling-walls where ceiling has discontinuity - - return base -} - |