If more then one webcams are connected (c) switches aktive camera to primary webcam, (v) to secondary webcam. forces level reload. [version 0.95]

Mirror. Flips the camera image horizontal, according to whether you stay with your front or with your back to the cam.

saving current image as difference image.

Binary Threshold. (+ -) sets the binary threshold of the Difference Picture. To adapt configuration to different lightning situations, change this value until best contour is visible.

Triangle smoothing. (+ -) changes the accuacy of the contour, higer values lead to smoothed contour.

Triangle simplicity. (+ -) changes the vertex count of the contour, higher values lead to cornered contour.

Image Blur. (+ -) applies a gaussian Blur on the difference picture before tresholding, change this value to close little holes in contour , also enlarges the contour.

Image Smoothing. (+ -) smoothes the picture over time, saves up to 3 frames and calculates average value, used to stabilize flickering of webcam picture

Colordifferencemethod. (+ -) changes difference picture calculation methods, last 2 methods add movement over time pictures to difference picture to enhance contrast.

Erosion. Morphological Operation that "erodes" the pixels, to shrink pixel structures or to eliminate noise of webcam pictue.

Dilatation. Morphological Operation that adds pixels around existing pixels, to counteract the erode operation.

restarting current level.

starting next level.