diff options
Diffstat (limited to 'client/assets/javascripts/rectangles/engine/map/draw.js')
| -rw-r--r-- | client/assets/javascripts/rectangles/engine/map/draw.js | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/client/assets/javascripts/rectangles/engine/map/draw.js b/client/assets/javascripts/rectangles/engine/map/draw.js new file mode 100644 index 0000000..b2fc05f --- /dev/null +++ b/client/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() + } +}
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