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Adding loading of polygon object #32

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Adding loading of polygon object #32

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095ac9e
Adding loading of polygon object
ODSJenkins Jun 15, 2014
9747610
setting x and y (oops)
ramchale Jun 21, 2014
6a50712
Fixing polygon drawing where 0,0 is not the origin
ramchale Jun 22, 2014
7a2d662
Merge branch 'master' of https://github.com/HaxePunk/tiled
ODSJenkins Aug 11, 2014
1bd2edb
More generic and work with HaxePunk 2.5.3
ODSJenkins Aug 11, 2014
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95 changes: 95 additions & 0 deletions com/haxepunk/tmx/TmxObject.hx
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,13 @@
* For questions mail me at heardtheword@gmail.com
******************************************************************************/
package com.haxepunk.tmx;
import com.haxepunk.Graphic;
import com.haxepunk.graphics.atlas.Atlas;
import com.haxepunk.graphics.Image;
import com.haxepunk.masks.Polygon;
import com.haxepunk.math.Vector;
import flash.display.BitmapData;
import flash.geom.Matrix;
import haxe.xml.Fast;
import com.haxepunk.masks.Hitbox;

Expand Down Expand Up @@ -64,6 +71,38 @@ class TmxObject
debug_graphic = com.haxepunk.graphics.Image.createCircle(radius, 0xff0000, .6);
debug_graphic.x = x;
debug_graphic.y = y;
#end
}else if (source.hasNode.polygon) {
var polygon_node:Fast = source.node.polygon;

var pointsString:String = polygon_node.att.points;
var pairStrings:Array<String> = pointsString.split(' ');

var maskPoints:Array<Vector> = new Array<Vector>();

for (pair in pairStrings)
{
var pointStrings:Array<String> = pair.split(',');
maskPoints.push(new Vector(Std.parseFloat(pointStrings[0]), Std.parseFloat(pointStrings[1])));
}

shapeMask = new Polygon(maskPoints);
shapeMask.x = x;
shapeMask.y = y;

#if debug
var graphicPoints:Array<Float> = new Array<Float>();

for (point in maskPoints)
{
graphicPoints.push(point.x);
graphicPoints.push(point.y);
}

debug_graphic = createPolygon(graphicPoints);

debug_graphic.x += x;
debug_graphic.y += y;
#end
}else{ // rect
shapeMask = new com.haxepunk.masks.Hitbox(width, height, x, y);
Expand All @@ -75,4 +114,60 @@ class TmxObject
#end
}
}

function createPolygon(points:Array<Float>)
{
//Find limits for image
var minX:Float = 0, maxX:Float = 0, minY:Float = 0, maxY:Float = 0;
for (i in 0 ... Std.int(points.length / 2))
{
var x:Float = points[i * 2];
var y:Float = points[(i * 2) + 1];

if (x < minX) { minX = x; }
if (x > maxX) { maxX = x; }
if (y < minY) { minY = y; }
if (y > maxY) { maxY = y; }
}

//Make it join back to the first point, otherwise it'll default to 0,0
points.push(points[0]);
points.push(points[1]);

var commands:flash.Vector<Int> = new flash.Vector<Int>();

commands.push(1); //Move to
for (i in 0 ... Std.int(points.length / 2))
{
commands.push(2); //Line to
}


HXP.sprite.graphics.clear();

HXP.sprite.graphics.beginFill(0xFFFFFF);
HXP.sprite.graphics.drawPath(commands, points);

var data:BitmapData = HXP.createBitmap(Std.int(maxX - minX), Std.int(maxY - minY), true, 0);
var transform:Matrix = new Matrix( 1, 0, 0, 1, -minX, -minY );
data.draw(HXP.sprite, transform);

var image:Image;
if (HXP.renderMode == RenderMode.HARDWARE)
{
image = new Image(Atlas.loadImageAsRegion(data));
}
else
{
image = new Image(data);
}

image.color = 0xff0000;
image.alpha = 0.6;

image.x = minX;
image.y = minY;

return image;
}
}