Mon, 22 Jan 2018 21:04:53 +0200
added check for invalid colours
0 // square 4 16 -20 0 10 -20 0 20 -10 0 20 -10 0 10 0 // concave 4 16 10 0 10 5 0 25 10 0 20 15 0 25 0 // kite 4 16 -15 0 -15 -20 0 0 -15 0 5 -10 0 0 0 // bowtie 4 16 5 0 -5 5 0 -15 15 0 -5 15 0 -15 0 // trapezium 4 16 25 0 10 30 0 20 35 0 20 40 0 10 0 // skew 4 16 25 0 -5 25 0 -15 35 0 -15 35 5 -5 4 16 40 0 -5 40 0 -15 50 5 -15 50 0 -5 0 // parallelogram 4 16 25 0 25 30 0 35 40 0 35 35 0 25 0 // rhombus 4 16 -5 0 40 -15 0 35 -5 0 30 5 0 35 0 // collinear 4 16 20 0 40 30 0 45 30 0 50 30 0 55