diff --git a/static/lib/entityDrawRules.js b/static/lib/entityDrawRules.js
deleted file mode 100644
index 903bc722..00000000
--- a/static/lib/entityDrawRules.js
+++ /dev/null
@@ -1,345 +0,0 @@
-
-import spritesheetJson from "./../pictures/spritesheet.js";
-
-export var entityDrawRules = {
-	"accumulator": {
-		spritesheet: spritesheetJson.frames["images/factorio/entity/accumulator/accumulator.png"],
-		sizeInTiles: {
-			x:3.5,
-			y:3.5,
-		},
-		positionOffset: {
-			x:-1,
-			y:-2,
-		}
-	},
-	"centrifuge": {
-		spritesheet: spritesheetJson.frames["images/factorio/entity/centrifuge/centrifuge-A.png.0"],
-		sizeInTiles: {
-			x:4,
-			y:4,
-		},
-		positionOffset: {
-			x:-1.5,
-			y:-1,
-		},
-	},
-	"stone-furnace": {
-		spritesheet: spritesheetJson.frames["images/factorio/entity/stone-furnace/stone-furnace.png"],
-		sizeInTiles: {
-			x:3,
-			y:2.2,
-		},
-		positionOffset: {
-			x:-0.9,
-			y:-1,
-		},
-	},
-	"steel-furnace": {
-		spritesheet: spritesheetJson.frames["images/factorio/entity/steel-furnace/steel-furnace.png"],
-		sizeInTiles: {
-			x:2.5,
-			y:2.5,
-		},
-		positionOffset: {
-			x:-1.2,
-			y:-1.1,
-		},
-	},
-	"roboport": {
-		spritesheet: spritesheetJson.frames["images/factorio/entity/roboport/roboport-base.png"],
-		sizeInTiles: {
-			x:5,
-			y:4.5,
-		},
-		positionOffset: {
-			x:-2,
-			y:-2.2,
-		},
-	},
-	"substation": {
-		spritesheet: spritesheetJson.frames["images/factorio/entity/substation/substation.png.0"],
-		sizeInTiles: {
-			x:3,
-			y:3,
-		},
-		positionOffset: {
-			x:-1,
-			y:-1.8,
-		},
-	},
-	"big-electric-pole": {
-		spritesheet: spritesheetJson.frames["images/factorio/entity/big-electric-pole/big-electric-pole.png.0"],
-		sizeInTiles: {
-			x:5,
-			y:5,
-		},
-		positionOffset: {
-			x:-1,
-			y:-3.5,
-		},
-	},
-	"electric-mining-drill": {
-		spritesheet: [{
-				spritesheet: spritesheetJson.frames["images/factorio/entity/electric-mining-drill/electric-mining-drill-N.png.0"],
-			},{
-				spritesheet: spritesheetJson.frames["images/factorio/entity/electric-mining-drill/electric-mining-drill-E.png.0"],
-			},{
-				spritesheet: spritesheetJson.frames["images/factorio/entity/electric-mining-drill/electric-mining-drill-S.png.0"],
-			},{
-				spritesheet: spritesheetJson.frames["images/factorio/entity/electric-mining-drill/electric-mining-drill-W.png.0"],
-			},
-		],
-		sizeInTiles: {
-			x:3,
-			y:3,
-		},
-		positionOffset: {
-			x:-1,
-			y:-1,
-		},
-	},
-	"straight-rail": {
-		sizeInTiles: {
-			x:2,
-			y:2,
-		},
-		positionOffset: {
-			x:-1,
-			y:-1,
-		}
-	},
-};
-let template3x3entity = {
-	sizeInTiles: {
-		x:3,
-		y:3,
-	},
-	positionOffset: {
-		x:-1,
-		y:-1,
-	},
-};
-for(let i = 1; i <= 3; i++){
-	let name = "assembling-machine-"+i;
-	// entityDrawRules[name] = 
-	entityDrawRules[name] = {
-		spritesheet: spritesheetJson.frames["images/factorio/entity/"+name+"/"+name+".png.0"],
-		sizeInTiles: {
-			x:3.9,
-			y:3.9,
-		},
-		positionOffset: {
-			x:-1.4,
-			y:-1.2,
-		},
-	}
-	// template3x3entity;
-};
-entityDrawRules["radar"] = {
-	spritesheet: [],
-	sizeInTiles: {
-		x:4,
-		y:4,
-	},
-	positionOffset: {
-		x:-0.8,
-		y:-1.7,
-	},
-}
-for(let i = 0; i < 64; i++){
-	// animate the radar
-	entityDrawRules.radar.spritesheet.push({spritesheet: spritesheetJson.frames["images/factorio/entity/radar/radar.png."+i]});
-}
-["beacon", "electric-furnace"].forEach(name => {
-	entityDrawRules[name] = template3x3entity;
-});
-entityDrawRules["lab"] = {
-	spritesheet: spritesheetJson.frames["images/factorio/entity/lab/lab.png.0"],
-	sizeInTiles: {
-		x:3.5,
-		y:3,
-	},
-	positionOffset: {
-		x:-1,
-		y:-0.9,
-	},
-}
-entityDrawRules["chemical-plant"] = {
-	spritesheet: [{
-			spritesheet: spritesheetJson.frames["images/factorio/entity/chemical-plant/chemical-plant.png.0"],
-			sizeInTiles: {
-				x:3.5,
-				y:3.5,
-			},
-			positionOffset: {
-				x:-1.3,
-				y:-1,
-			},
-		},{
-			spritesheet: spritesheetJson.frames["images/factorio/entity/chemical-plant/chemical-plant.png.1"],
-			sizeInTiles: {
-				x:3.7,
-				y:4,
-			},
-			positionOffset: {
-				x:-1.3,
-				y:-1.5,
-			},
-		},{
-			spritesheet: spritesheetJson.frames["images/factorio/entity/chemical-plant/chemical-plant.png.2"],
-			sizeInTiles: {
-				x:3.5,
-				y:3.2,
-			},
-			positionOffset: {
-				x:-1.3,
-				y:-1,
-			},
-		},{
-			spritesheet: spritesheetJson.frames["images/factorio/entity/chemical-plant/chemical-plant.png.3"],
-			sizeInTiles: {
-				x:3.7,
-				y:3.6,
-			},
-			positionOffset: {
-				x:-1.45,
-				y:-1.3,
-			},
-		},
-	],
-};
-[{name: "solar-panel", ref:"images/factorio/entity/solar-panel/solar-panel.png"}].forEach(ent => {
-	entityDrawRules[ent.name] = {
-		spritesheet: spritesheetJson.frames[ent.ref],
-		sizeInTiles: {
-			x:3,
-			y:3,
-		},
-		positionOffset: {
-			x:-1,
-			y:-1,
-		},
-	}
-});
-
-["transport-belt", "fast-transport-belt", "express-transport-belt"].forEach(name => {
-	entityDrawRules[name] = {
-		spritesheet: [{
-			spritesheet: [ // Up
-				// spritesheetJson.frames["images/factorio/entity/"+name+"/"+name+".png.0"], // 0 to 31
-			],
-			sizeInTiles: {
-				x:1.2,y:1.4,
-			},
-			positionOffset: {
-				x:-0.1,y:-0,
-			}
-		},{
-			spritesheet: [ // Right
-				// spritesheetJson.frames["images/factorio/entity/"+name+"/"+name+".png.0"], // 0 to 31
-			],
-			sizeInTiles: {
-				x:1.2,y:1.4,
-			},
-			positionOffset: {
-				x:-0.1,y:-0.2,
-			}
-		},{
-			spritesheet: [ // Down
-				// spritesheetJson.frames["images/factorio/entity/"+name+"/"+name+".png.27"], // 32 to 63
-			],
-			flip: "y",
-			sizeInTiles: {
-				x:1.3,y:1.6,
-			},
-			positionOffset: {
-				x:-0.15,y:-1.6,
-			}
-		},{
-			spritesheet: [ // Left
-				// spritesheetJson.frames["images/factorio/entity/"+name+"/"+name+".png.27"], // 32 to 63
-			],
-			flip: "x",
-			sizeInTiles: {
-				x:1.3,y:1.6,
-			},
-			positionOffset: {
-				x:-1.35,y:-0.25,
-			}
-		}],
-	}
-	for(let i = 0; i < 16; i++){
-		if(name == "transport-belt"){
-			entityDrawRules[name].spritesheet[3].spritesheet.push(spritesheetJson.frames["images/factorio/entity/"+name+"/"+name+".png."+i]);
-			entityDrawRules[name].spritesheet[2].spritesheet.push(spritesheetJson.frames["images/factorio/entity/"+name+"/"+name+".png."+(i+16)]);
-			entityDrawRules[name].spritesheet[1].spritesheet.push(spritesheetJson.frames["images/factorio/entity/"+name+"/"+name+".png."+i]);
-			entityDrawRules[name].spritesheet[0].spritesheet.push(spritesheetJson.frames["images/factorio/entity/"+name+"/"+name+".png."+(i+16)]);
-			
-		} else {
-			entityDrawRules[name].spritesheet[3].spritesheet.push(spritesheetJson.frames["images/factorio/entity/"+name+"/"+name+".png."+i]);
-			entityDrawRules[name].spritesheet[2].spritesheet.push(spritesheetJson.frames["images/factorio/entity/"+name+"/"+name+".png."+(i+32)]);
-			entityDrawRules[name].spritesheet[1].spritesheet.push(spritesheetJson.frames["images/factorio/entity/"+name+"/"+name+".png."+i]);
-			entityDrawRules[name].spritesheet[0].spritesheet.push(spritesheetJson.frames["images/factorio/entity/"+name+"/"+name+".png."+(i+32)]);
-		}
-	}
-});
-["splitter", "fast-splitter", "express-splitter"].forEach(splitter => {
-	entityDrawRules[splitter] = {
-		rotOffset:180,
-	}
-});
-["underground-belt", "fast-underground-belt", "express-underground-belt"].forEach(underneathie => {
-	entityDrawRules[underneathie] = {
-		rotOffset: 270,
-	}
-});
-["inserter", "fast-inserter", "stack-inserter", "filter-inserter", "burner-inserter", 'long-handed-inserter', 'stack-filter-inserter'].forEach(inserter => {
-	entityDrawRules[inserter] = {
-		rotOffset:90,
-	}
-});
-entityDrawRules["oil-refinery"] = {
-	spritesheet: [
-	{
-		spritesheet: spritesheetJson.frames["images/factorio/entity/oil-refinery/oil-refinery.png.0"],
-	}, {
-		spritesheet: spritesheetJson.frames["images/factorio/entity/oil-refinery/oil-refinery.png.1"],
-	}, {
-		spritesheet: spritesheetJson.frames["images/factorio/entity/oil-refinery/oil-refinery.png.2"],
-	}, {
-		spritesheet: spritesheetJson.frames["images/factorio/entity/oil-refinery/oil-refinery.png.3"],
-	}],
-}
-// correct image size for the oil refinery frames (same for all of them on this one)
-entityDrawRules["oil-refinery"].spritesheet.forEach(object => {
-	object.sizeInTiles = {
-		x:10,
-		y:7.5,
-	}
-	object.positionOffset = {
-		x:-2,
-		y:-2.7,
-	}
-});
-// tree sizes
-["tree-02",
-"tree-02-red",
-"tree-03",
-"tree-04",
-"tree-05",
-"tree-07",
-"tree-09",
-"tree-09-brown",
-"tree-09-red"].forEach(tree => {
-	entityDrawRules[tree] = {
-		sizeInTiles: {
-			x: 3,
-			y: 4,
-		},
-		positionOffset: {
-			x: -0.6,
-			y: -2.6,
-		}
-	}
-});
diff --git a/static/lib/utility.js b/static/lib/utility.js
index 930f9653..f9f909ba 100644
--- a/static/lib/utility.js
+++ b/static/lib/utility.js
@@ -7,47 +7,3 @@ export function getParameterByName(name, url) {
     if(!results[2]) return '';
     return decodeURIComponent(results[2].replace(/\+/g, " "));
 }
-
-// ctx, entityImages[name].img, xPos, yPos, size.x, size.y, rotation, sprWidth, sprHeight, offLeft, offTop
-export function drawImageWithRotation(ctx, image, x, y, w, h, degrees, sprWidth, sprHeight, offLeft, offTop, flipX, flipY){
-	ctx.save();
-	ctx.translate(x+w/2, y+h/2);
-	ctx.rotate(degrees*Math.PI/180.0);
-	ctx.translate(-x-w/2, -y-h/2);
-	if(flipX) {
-		x -= x*2+sprWidth;
-		ctx.scale(-1, 1);
-	}
-	if(flipY){
-		y -= y*2+sprHeight;
-		ctx.scale(1, -1);
-	}
-	
-	if(isImageOk(image) && sprWidth != undefined && sprHeight != undefined && offLeft != undefined && offTop != undefined){
-		// console.log(sprWidth+" "+sprHeight+" "+offLeft+" "+offTop+" "+w+" "+h)
-		ctx.drawImage(image, offLeft, offTop, sprWidth, sprHeight, x, y, w, h);
-	} else if(isImageOk(image)){
-		ctx.drawImage(image, x, y, w, h);
-	} else {
-		// console.log("Image is not OK! "+image.src);
-	}
-	ctx.restore();
-}
-export function isImageOk(img) {
-	// During the onload event, IE correctly identifies any images that
-	// weren't downloaded as not complete. Others should too. Gecko-based
-	// browsers act like NS4 in that they report this incorrectly.
-	if (!img.complete) {
-		return false;
-	}
-
-	// However, they do have two very useful properties: naturalWidth and
-	// naturalHeight. These give the true size of the image. If it failed
-	// to load, either of these should be zero.
-	if (typeof img.naturalWidth != "undefined" && img.naturalWidth == 0) {
-		return false;
-	}
-
-	// No other way of checking: assume it's ok.
-	return true;
-}
\ No newline at end of file