r3-custom-code/gzewp2awcf.js

if (!this.entityLoaded) {
    return;
}

if (!this.initialized) {
	
	this.camera		= this.entityLoaded.camera;
	this.buttons	= this.entityLoaded.buttons;
	this.raycaster	= this.entityLoaded.raycaster;
	this.canvasHUD  = this.entityLoaded.canvasHUD;
	
    this.initialized = true;
}

var mouse = {
	x : (data.event.offsetX / data.event.target.width ) * 2 - 1,
	y : -(data.event.offsetY / data.event.target.height) * 2 + 1
}

console.log('mouse ' + mouse.x + ', ' + mouse.y); 

this.raycaster.setFromCamera(
	mouse,
	this.camera
);

var intersects = this.raycaster.getIntersectedObjects(this.buttons);

if (intersects.length === 0) {
	console.log('nothing');
}

intersects.map(
	function(intersect) {
		
		var pixels = intersect.mesh.materials[0].diffuseMap.image.getPixelData();
		
		var image = [[]]

		var x = 0;
		var y = 0;

		var alphas = [];
		
		for (i = 0; i < pixels.length; i += 4) {
			alphas.push(pixels[i + 3]);			
		}
		
		var x = Math.round(intersect.uv.x * 256);
		
		var y = intersect.uv.y;
		
		var y = Math.round(y * 256);
		
		/*
		for (var x = 0; x < 256; x++) {
			
			var line = '';
			
			for (var y = 0; y < 256; y++) {
				line += alphas[(256 * y) + x];
			}
			
			console.log(line);
		}
		*/
		
		var pixel = alphas[(256 * y) + x];
		
		if  (pixel === 255) {
			console.log(intersect.mesh.name + ' : ' + pixel);
		}
		
	}
);
//@ sourceURL=mouseDown.js