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Update CollideCheck.hx #1095

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Update CollideCheck.hx #1095

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4cb3a18
Update CollideCheck.hx
octplane Aug 19, 2022
fc293d4
Address review
octplane Aug 27, 2022
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34 changes: 4 additions & 30 deletions samples/CollideCheck.hx
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Original file line number Diff line number Diff line change
Expand Up @@ -31,32 +31,6 @@ class CollideCheck extends hxd.App {
line.drawRect(0, -0.5, 100, 1);
line.endFill();

//var r = new h2d.col.RoundRect(rrect.x, rrect.y, RW, RH, rrect.rotation);
//mapCol( function(pt) return r.distance(pt) );
}

function mapCol( dist : h2d.col.Point -> Float, scale = 1. ) {
var pt = new h2d.col.Point();
var bmp = hxd.Pixels.alloc(s2d.width, s2d.height, BGRA);
for( x in 0...bmp.width )
for( y in 0...bmp.height ) {
pt.x = x + 0.5;
pt.y = y + 0.5;
var d = dist(pt);
if( d < 0 ) {
var c = Std.int( -d * scale * 4 + 0x20 );
if( c > 0xFF ) c = 0xFF;
bmp.setPixel(x, y, 0xFF000000 | (c << 16));
} else {
var c = Std.int( d * scale );
if( c > 0xFF ) c = 0xFF;
bmp.setPixel(x, y, 0xFF000000 | c);
}
}
var view = new h2d.Bitmap(h2d.Tile.fromPixels(bmp));
view.alpha = 0.5;
s2d.add(view, 0);
bmp.dispose();
}

override function update(dt:Float) {
Expand All @@ -66,21 +40,21 @@ class CollideCheck extends hxd.App {
var r = new h2d.col.RoundRect(rrect.x, rrect.y, RW * 2, RH * 2, rrect.rotation);
var pt = new h2d.col.Point(px, py);

rrect.rotation += 0.002;
rrect.color.set(0, 0, 1);
var n = r.getNormalAt(pt);

rrect.color.set(0, 0, 1);
line.x = px;
line.y = py;
var n = r.getNormalAt(pt);
line.rotation = Math.atan2(n.y, n.x);

if( r.inside(pt) )
rrect.color.set(0, 1, 0);

rrect.rotation += 0.002;
}

static function main() {
new CollideCheck();
}

}