WolfLord Skywalker

Hey guys please I desperately need help. I'm making a game with an HTML canvas. I know how to draw obstacles onto a canvas. I also know how to draw my own image onto the canvas. My problem lies with combining both- drawing my own image onto a canvas with obstacles. Can someone post the source code or help me or something? Here are the 2 codes (text-1.txt is the source code for drawing obstacles) Canvas img.txt text.txt