diff options
Diffstat (limited to 'public/assets/javascripts/rectangles/engine/map/draw.js')
| -rw-r--r-- | public/assets/javascripts/rectangles/engine/map/draw.js | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/public/assets/javascripts/rectangles/engine/map/draw.js b/public/assets/javascripts/rectangles/engine/map/draw.js index 07e2d9f..6c27ff1 100644 --- a/public/assets/javascripts/rectangles/engine/map/draw.js +++ b/public/assets/javascripts/rectangles/engine/map/draw.js @@ -38,18 +38,24 @@ Map.Draw = function(map, opt){ ctx.restore() } + // changes the ctx temporarily draw.render = function(){ - // change the ctx temporarily + var thumbnail_side = 1000 + + var extent = Rooms.extent() + var center = extent.center() + var zoom = thumbnail_side / Math.max( extent.width(), extent.height() ) * 0.99 + var canvas = document.createElement("canvas") ctx = canvas.getContext('2d') - canvas.width = map.canvas.width - canvas.height = map.canvas.height + canvas.width = thumbnail_side + canvas.height = thumbnail_side draw.clear() - ctx.translate( map.dimensions.a * 1/2, map.dimensions.b * 1/2) - ctx.scale( map.zoom, map.zoom ) - ctx.translate( map.center.a, map.center.b ) + ctx.translate( thumbnail_side * 1/2, thumbnail_side * 1/2) + ctx.scale( zoom, zoom ) + ctx.translate( center.a, -center.b ) ctx.scale( -1, 1 ) draw.regions(Rooms.regions, ["#fff"], null) @@ -73,7 +79,7 @@ Map.Draw = function(map, opt){ // reset the ctx ctx = map.canvas.getContext("2d") - + return canvas } |