globals [ fireworks fragments initial-x-vel initial-y-vel gravity fade-amount trails? ] turtles-own [col ;sets color of an explosion particle x-vel ;x-velocity y-vel ;y-velocity ] patches-own [happy] breed [ rockets rocket ] breed [ frags frag ] rockets-own [ terminal-y-vel ] ;velocity at which rocket will explode frags-own [ dim ] ;used for fading particles ;SETUP ;----- ;This function clears all patches and turtles, reset globals, then write the greetings text to startup clear-all clear-all set-default-shape turtles "circle" reset-ticks if ticks = 0 [ setup ] loop [ go ] end to setup set fireworks 5 set fragments 40 set initial-x-vel 2 set initial-y-vel 2 set gravity 0.5 set fade-amount 1.5 set trails? TRUE ask (patch-set patch 7 -16 patch -46 -26 patch -53 9 patch -35 61 patch 22 63 patch 39 22 patch 14 41 patch 38 -41 patch 11 36 patch 37 -32 patch -15 22 patch 1 -45 patch 37 -8 patch -17 -19 patch 6 -3 patch 0 65 patch -49 -6 patch 82 -81 patch -4 50 patch 5 -34 patch 32 -27 patch 5 -6 patch -49 -49 patch 15 40 patch -50 18 patch 33 -7 patch -40 9 patch 13 57 patch 12 41 patch -36 -37 patch 79 -79 patch -14 -33 patch 33 -1 patch 20 49 patch 17 59 patch 6 13 patch -19 -47 patch -31 -17 patch 19 19 patch 18 18 patch -66 5 patch -42 -11 patch -28 -41 patch -56 3 patch 38 -7 patch 78 -82 patch 2 14 patch 5 -45 patch 20 28 patch -59 -39 patch 2 64 patch -21 62 patch -31 -33 patch 4 61 patch 6 -34 patch 1 -11 patch 7 -35 patch 11 53 patch -15 -37 patch 6 -25 patch -33 16 patch 11 24 patch -18 61 patch -42 36 patch -11 65 patch -59 -17 patch -51 -38 patch -35 35 patch 29 -24 patch -34 -21 patch -38 80 patch -3 -18 patch -52 -49 patch 64 -82 patch -13 15 patch -45 23 patch 43 19 patch -45 27 patch 22 0 patch 34 52 patch 32 18 patch 34 56 patch -30 -44 patch -28 -40 patch -5 53 patch 32 61 patch 14 27 patch 44 16 patch -48 30 patch 5 -13 patch 63 -84 patch 10 57 patch -46 19 patch 4 -32 patch 85 -78 patch 21 -6 patch -54 -39 patch 83 -79 patch -62 2 patch 39 -10 patch 7 -36 patch -37 36 patch 39 -42 patch 20 -41 patch -53 -10 patch 5 -31 patch 32 11 patch -55 4 patch 12 13 patch 32 48 patch 7 -10 patch 2 -39 patch -1 56 patch -58 -20 patch -36 37 patch 3 63 patch -60 4 patch 4 -3 patch 29 -23 patch 63 -80 patch 25 25 patch 29 -43 patch -32 -42 patch -25 71 patch -46 26 patch -47 26 patch -28 70 patch 12 37 patch 9 15 patch -31 -16 patch -32 21 patch -51 11 patch 37 0 patch -51 -27 patch 83 -80 patch 34 -31 patch 69 -78 patch 11 38 patch -36 73 patch -16 -32 patch 44 18 patch -22 -14 patch -47 -7 patch 12 21 patch -44 53 patch 0 -17 patch 12 56 patch -32 39 patch -19 -23 patch -56 -41 patch 5 -36 patch 41 21 patch -30 20 patch -62 5 patch 3 -29 patch 67 -88 patch -44 22 patch 80 -88 patch 1 -4 patch 34 -27 patch 34 53 patch 30 46 patch 21 28 patch -16 -41 patch -26 -46 patch -29 21 patch 27 -43 patch -57 -13 patch -36 -24 patch 11 65 patch 2 32 patch 31 -17 patch -43 21 patch -21 -43 patch -17 -40 patch -49 32 patch 2 19 patch -18 63 patch 27 -8 patch 42 17 patch -16 -43 patch -3 -13 patch -1 -11 patch -32 38 patch 5 -27 patch -50 -29 patch -5 59 patch 63 -86 patch -27 -46 patch -53 -8 patch -17 -45 patch -32 69 patch 23 49 patch 12 34 patch 86 -79 patch 27 47 patch 39 -33 patch -17 35 patch 2 34 patch -16 18 patch -27 16 patch -53 8 patch 5 -43 patch 25 14 patch 31 20 patch -1 -13 patch -24 -12 patch 5 -10 patch -62 -13 patch 41 -33 patch 9 45 patch -43 31 patch 12 64 patch -52 -28 patch 15 64 patch -31 -23 patch -9 58 patch 22 14 patch 8 65 patch -46 -44 patch 2 -12 patch 79 -84 patch 33 1 patch 30 -18 patch 37 -29 patch -60 -10 patch 12 28 patch -52 36 patch -32 -15 patch -26 -9 patch 5 23 patch -15 -18 patch 42 5 patch -19 -45 patch -11 21 patch 41 7 patch -34 18 patch 85 -83 patch 32 14 patch 82 -80 patch -50 -44 patch 66 -87 patch 77 -86 patch -24 73 patch -38 57 patch 12 24 patch 35 -45 patch 36 -45 patch 87 -78 patch -13 63 patch -24 14 patch 38 20 patch 32 -16 patch 30 56 patch 75 -79 patch -49 -9 patch -13 -29 patch -8 13 patch -44 23 patch -58 -8 patch -6 63 patch -46 -12 patch 20 51 patch -37 -17 patch -49 -26 patch 41 4 patch -38 30 patch -35 36 patch 63 -88 patch -54 7 patch 31 -21 patch 15 36 patch -58 4 patch -10 62 patch -57 5 patch -42 -47 patch -34 -32 patch -52 -6 patch -18 -18 patch -16 30 patch -42 -15 patch 39 -43 patch 17 63 patch -17 34 patch -53 -44 patch 88 -84 patch 29 65 patch 25 -11 patch 72 -78 patch 38 23 patch 72 -85 patch -9 13 patch 38 -9 patch -45 -23 patch -20 13 patch -43 24 patch -44 20 patch -2 -17 patch -43 29 patch 79 -81 patch 5 33 patch 34 -7 patch 35 1 patch 6 -46 patch -20 -13 patch -6 18 patch 5 28 patch -5 56 patch 26 58 patch 0 -16 patch 31 -18 patch -48 -25 patch -7 22 patch -32 68 patch -35 16 patch -59 -12 patch -58 -46 patch 36 1 patch -36 -16 patch -64 -47 patch 43 22 patch 0 14 patch -21 52 patch -39 15 patch -18 -37 patch 10 62 patch 2 36 patch -35 -16 patch -8 22 patch 35 -12 patch -14 -32 patch -44 24 patch 2 29 patch -20 -11 patch -21 84 patch -49 33 patch -23 67 patch -13 -21 patch 17 57 patch -43 25 patch -4 54 patch -19 -11 patch 5 41 patch -59 -8 patch -16 -14 patch -22 64 patch -39 33 patch 10 60 patch 77 -80 patch -23 17 patch -34 38 patch 34 55 patch -13 -25 patch -14 -34 patch -33 -45 patch 30 -46 patch -48 27 patch -54 35 patch -42 34 patch 34 -1 patch -13 -18 patch 4 -33 patch 34 -8 patch -51 24 patch -30 22 patch 4 41 patch -53 -32 patch 16 56 patch -41 54 patch -16 -28 patch -39 17 patch -2 64 patch -19 -15 patch 32 60 patch 41 -40 patch -35 -43 patch -38 -28 patch 9 -43 patch 3 64 patch -30 71 patch -37 -35 patch 11 27 patch 43 11 patch -19 -48 patch 31 62 patch -4 52 patch -43 20 patch 6 -33 patch -15 -39 patch -19 54 patch -24 76 patch 36 -27 patch 42 23 patch 9 14 patch 64 -80 patch -5 60 patch -11 61 patch 73 -78 patch -22 83 patch 37 13 patch 30 66 patch 1 -13 patch 29 -2 patch -13 -27 patch 68 -81 patch 37 -9 patch 2 21 patch 7 -13 patch -30 -8 patch 12 52 patch 4 -37 patch -3 62 patch 4 -42 patch -4 56 patch -19 -17 patch 40 21 patch 29 59 patch 3 15 patch 40 17 patch -26 -8 patch 15 29 patch -35 37 patch 15 37 patch -64 -46 patch -48 26 patch -31 -46 patch -53 -7 patch -31 -10 patch 39 -9 patch 11 63 patch 88 -79 patch -35 67 patch -7 18 patch -43 -14 patch -17 56 patch 27 -9 patch -50 -8 patch -52 -32 patch 79 -80 patch 8 62 patch -44 -9 patch 2 18 patch -22 50 patch -37 -25 patch 63 -83 patch 2 26 patch -43 -23 patch 7 -11 patch -16 13 patch 79 -85 patch 42 19 patch 37 -36 patch 38 -31 patch 3 61 patch 26 -23 patch 12 65 patch -24 81 patch -54 33 patch -38 25 patch -29 -10 patch 44 17 patch -59 -47 patch -36 -18 patch 30 48 patch 38 17 patch 14 57 patch -14 -36 patch -24 -11 patch 30 21 patch -22 11 patch -23 83 patch -33 12 patch -29 12 patch -4 58 patch -12 57 patch -39 -15 patch -50 -36 patch -38 83 patch 2 65 patch -42 -20 patch -17 22 patch 76 -88 patch -10 20 patch 7 -4 patch -4 59 patch -56 -42 patch -52 28 patch -45 -22 patch -24 70 patch 5 37 patch 79 -88 patch 1 57 patch -7 -18 patch 40 24 patch 23 -6 patch 26 20 patch -53 29 patch -35 69 patch -22 14 patch -52 31 patch -39 -18 patch -24 -42 patch -17 17 patch 25 15 patch -28 14 patch 3 -6 patch -3 -15 patch -5 43 patch -49 -7 patch 5 22 patch -16 37 patch 33 -42 patch -51 21 patch 37 -6 patch 38 3 patch 81 -87 patch 22 48 patch 11 28 patch 11 33 patch -33 -19 patch 33 -17 patch -35 65 patch -60 -44 patch 1 15 patch -64 6 patch 44 12 patch -55 5 patch 24 1 patch 8 45 patch 36 19 patch 11 30 patch -42 -17 patch -16 35 patch -17 -13 patch 29 -8 patch 7 -3 patch 30 -19 patch -54 -34 patch 11 62 patch 15 31 patch 30 -8 patch -54 30 patch -54 37 patch -6 58 patch 2 23 patch 21 29 patch 34 -17 patch -3 54 patch -20 -39 patch 5 38 patch 19 18 patch -56 -36 patch -15 -38 patch 15 56 patch 69 -80 patch 17 64 patch -51 36 patch -36 60 patch -11 64 patch 7 -9 patch -40 55 patch 5 -28 patch -33 36 patch 40 14 patch 42 22 patch 37 -11 patch 83 -87 patch 69 -81 patch 27 -2 patch -45 -19 patch -44 34 patch 12 55 patch -33 39 patch 19 -41 patch -6 57 patch -29 -43 patch 23 -10 patch 31 -43 patch -5 -19 patch -5 49 patch -38 79 patch -26 71 patch 3 18 patch 26 -21 patch 19 22 patch 39 -38 patch 64 -87 patch 6 -6 patch 9 62 patch -37 37 patch -31 21 patch 77 -88 patch -32 -19 patch -19 83 patch -17 15 patch -17 32 patch -4 60 patch -53 12 patch -25 -45 patch 28 -23 patch -17 64 patch 1 -12 patch 5 36 patch -15 -16 patch -51 35 patch -8 41 patch 11 56 patch -4 13 patch 2 33 patch -38 26 patch -5 62 patch -18 41 patch -58 -39 patch -50 -33 patch 35 -23 patch 8 -6 patch -2 65 patch -16 -26 patch -55 -40 patch -16 -21 patch -31 71 patch -60 -46 patch 63 -82 patch 7 -19 patch -34 20 patch 77 -79 patch 26 -8 patch -6 45 patch 5 -26 patch 31 60 patch -50 -9 patch 9 63 patch -45 -20 patch 25 19 patch -8 15 patch 32 -43 patch -58 -13 patch -25 -43 patch 41 13 patch -35 68 patch -59 -43 patch 3 35 patch 23 -2 patch 15 55 patch 40 -41 patch -38 22 patch -22 -45 patch 42 20 patch -46 -13 patch -44 -49 patch -62 -47 patch -35 13 patch 32 -45 patch -53 6 patch 21 -41 patch -19 56 patch -12 15 patch -24 74 patch -25 77 patch -42 7 patch 7 -26 patch -17 63 patch -18 18 patch 34 57 patch -52 23 patch 64 -84 patch -2 -18 patch -47 53 patch -15 -17 patch -45 -12 patch -56 -8 patch -42 31 patch 36 -41 patch -48 53 patch 33 -6 patch -21 -47 patch 12 50 patch -7 57 patch -26 70 patch 3 37 patch -22 15 patch 84 -78 patch 31 11 patch 43 17 patch 32 0 patch 11 59 patch -32 -37 patch 7 44 patch -47 29 patch -18 -43 patch -33 -15 patch 3 -12 patch 11 19 patch -31 -31 patch 11 18 patch -27 12 patch -49 -34 patch 18 17 patch -41 6 patch -56 -49 patch 87 -79 patch -3 13 patch 25 22 patch -4 65 patch 88 -85 patch 82 -79 patch -15 20 patch -57 -7 patch 2 -7 patch -16 36 patch -16 -19 patch -15 21 patch 5 31 patch -28 19 patch 29 -20 patch -56 -46 patch -48 52 patch -38 27 patch 1 65 patch -21 -46 patch 12 31 patch 29 8 patch 41 -38 patch 63 -85 patch -36 34 patch 0 13 patch -42 32 patch 1 -6 patch -18 23 patch 26 47 patch -10 65 patch -46 23 patch 12 20 patch -26 -48 patch -11 58 patch 24 -7 patch -39 84 patch 4 14 patch -24 18 patch 38 -43 patch 37 -30 patch 3 -10 patch -38 33 patch 78 -87 patch -30 70 patch -36 31 patch 25 -22 patch -49 53 patch -38 15 patch 44 19 patch -17 24 patch 13 25 patch -54 -47 patch 13 42 patch 38 18 patch -23 70 patch 69 -79 patch -9 59 patch -44 -15 patch 41 5 patch -36 -27 patch 5 -32 patch -54 -41 patch 19 32 patch -52 14 patch 4 39 patch -32 19 patch 64 -79 patch 3 40 patch -55 -47 patch -45 -29 patch -20 -10 patch 32 12 patch -25 -42 patch 15 13 patch -37 -31 patch 8 -17 patch 34 0 patch 15 35 patch -19 -46 patch 12 57 patch 69 -83 patch -46 -32 patch -46 -11 patch -4 57 patch -10 21 patch -53 36 patch -18 -38 patch 5 -29 patch 15 15 patch -60 2 patch -37 28 patch 11 52 patch -13 57 patch 11 16 patch 17 62 patch 7 -41 patch -17 21 patch 12 19 patch -13 20 patch -29 -39 patch 34 -15 patch -55 38 patch -1 -17 patch 80 -87 patch 33 -14 patch 27 -46 patch -5 66 patch -35 14 patch 15 38 patch -21 21 patch -47 -6 patch 20 50 patch -20 20 patch 64 -85 patch -26 -45 patch 42 15 patch -33 -35 patch 7 -29 patch 64 -83 patch 43 10 patch 0 -46 patch -52 -9 patch -52 -10 patch 3 59 patch -53 -37 patch 70 -83 patch 3 22 patch -1 12 patch 43 7 patch 19 29 patch 2 -13 patch -6 -17 patch -26 -42 patch 36 -28 patch -38 28 patch 38 -29 patch -38 35 patch 40 -35 patch 4 64 patch -44 -47 patch 17 56 patch 10 15 patch 7 61 patch 5 34 patch -36 35 patch -50 -5 patch 2 66 patch 12 40 patch -50 -26 patch -18 40 patch 87 -83 patch 68 -82 patch 7 -42 patch 5 -11 patch 29 23 patch -45 -7 patch -30 -10 patch 10 55 patch 36 -14 patch 34 -11 patch -34 -29 patch -35 -36 patch 37 -39 patch 22 -5 patch -4 62 patch 37 -26 patch -42 11 patch 30 -17 patch 32 -9 patch -17 20 patch 9 47 patch -22 84 patch 5 14 patch -10 22 patch -29 70 patch 22 64 patch -25 19 patch 39 -34 patch -50 13 patch -53 35 patch -34 -31 patch 13 54 patch -18 20 patch 10 16 patch 82 -87 patch 2 35 patch -44 -22 patch 83 -88 patch -18 83 patch 31 -7 patch 63 -78 patch 3 -1 patch -12 20 patch -37 78 patch -51 19 patch -20 84 patch 42 21 patch -24 -43 patch -37 -29 patch -45 -45 patch -36 -26 patch 5 -7 patch -38 55 patch 84 -83 patch -17 37 patch -16 15 patch 29 -17 patch 3 -11 patch -32 -9 patch -7 42 patch 35 -29 patch -53 27 patch 69 -82 patch -53 13 patch -18 59 patch -12 21 patch -14 16 patch 11 25 patch 11 15 patch -49 -24 patch -4 -18 patch 4 -43 patch -44 25 patch -33 -12 patch -15 24 patch -6 13 patch -20 -42 patch 82 -88 patch 33 51 patch 9 49 patch -57 -41 patch 38 -6 patch -7 16 patch -53 21 patch -35 74 patch -15 -13 patch -3 63 patch -9 17 patch 77 -78 patch 29 -21 patch 11 35 patch -20 12 patch 11 57 patch -11 62 patch 13 15 patch 78 -83 patch 39 15 patch -8 42 patch -41 11 patch -48 -33 patch -11 63 patch -25 15 patch -27 71 patch -40 54 patch -36 78 patch -53 -38 patch 24 -5 patch -28 16 patch -5 65 patch -16 17 patch 18 62 patch 43 13 patch -61 -42 patch -34 -12 patch -51 -29 patch -52 -29 patch -21 -18 patch 33 -26 patch 24 -1 patch -17 13 patch -40 36 patch -44 -24 patch 35 -7 patch 30 -23 patch 11 60 patch -22 13 patch 19 31 patch -5 -14 patch 32 -15 patch 3 -41 patch -14 -22 patch 84 -87 patch 41 23 patch 3 -4 patch 32 58 patch -63 6 patch 5 13 patch -16 38 patch 2 -41 patch 83 -83 patch 11 29 patch -34 -18 patch -5 13 patch -55 -36 patch -58 6 patch -48 -27 patch 10 50 patch -24 80 patch 32 56 patch -16 20 patch -5 51 patch -63 -45 patch 7 62 patch -17 26 patch -31 39 patch 26 57 patch -14 -27 patch -30 15 patch 14 25 patch -32 -11 patch 4 40 patch 23 -42 patch 26 -11 patch 7 -38 patch -17 -12 patch -6 -18 patch -40 13 patch -43 -11 patch 34 -25 patch -43 -26 patch -36 -38 patch 76 -78 patch -41 14 patch 10 47 patch -47 -27 patch -15 57 patch 82 -82 patch 72 -87 patch 20 13 patch -32 -38 patch -35 -11 patch -13 -23 patch -15 -36 patch 63 -81 patch -16 -35 patch 34 58 patch -43 53 patch -33 -33 patch -57 -10 patch 8 44 patch 17 58 patch 5 35 patch -42 33 patch 2 -6 patch -39 35 patch 39 21 patch -63 -18 patch 26 48 patch 4 -7 patch -47 54 patch -20 54 patch -3 12 patch -57 -44 patch 39 -40 patch -36 33 patch 74 -79 patch 12 39 patch 29 -44 patch -5 58 patch 83 -82 patch -53 15 patch -7 12 patch -47 -49 patch -38 17 patch 11 37 patch -20 11 patch -48 -7 patch -17 -41 patch 1 56 patch -42 35 patch -17 62 patch 19 23 patch -15 30 patch 37 23 patch -26 15 patch -15 -33 patch -14 65 patch -43 27 patch 35 -10 patch -11 22 patch 1 -8 patch 36 -9 patch -9 23 patch -32 -39 patch -14 17 patch -31 -28 patch -20 60 patch 3 58 patch 21 2 patch 11 51 patch -24 79 patch 13 13 patch -54 28 patch -13 -32 patch 5 40 patch -15 -28 patch 0 -12 patch -11 14 patch 7 -34 patch 73 -85 patch -23 19 patch 28 -2 patch 25 -2 patch -23 12 patch -52 21 patch 34 -30 patch -66 7 patch -38 20 patch -30 -39 patch -32 -25 patch -25 14 patch 33 49 patch 4 -8 patch 77 -87 patch -16 22 patch 87 -87 patch -45 30 patch -34 -27 patch 30 58 patch 8 60 patch -12 61 patch -18 39 patch -50 -7 patch -32 -14 patch -9 15 patch -52 34 patch -43 -17 patch -2 12 patch -33 21 patch -38 19 patch 38 2 patch -54 -40 patch -52 17 patch 18 57 patch 5 -17 patch 15 32 patch 14 65 patch -24 20 patch -45 -28 patch 31 64 patch 11 22 patch 78 -81 patch -37 -30 patch 1 -10 patch -17 18 patch 8 64 patch 15 65 patch 35 -41 patch -49 30 patch -39 13 patch -22 51 patch -66 8 patch -32 12 patch -29 13 patch 28 -46 patch 27 -10 patch -53 37 patch -25 80 patch 5 39 patch -47 -31 patch 37 -34 patch -27 20 patch 40 5 patch 72 -84 patch 39 17 patch 6 -45 patch 11 20 patch 41 -39 patch 39 -32 patch -10 15 patch -15 16 patch -45 -9 patch 35 -16 patch -25 13 patch -56 6 patch -52 16 patch -33 14 patch -62 -44 patch -5 12 patch 84 -79 patch -27 -11 patch 72 -88 patch 43 14 patch -19 53 patch -34 14 patch -51 -36 patch -49 -29 patch -37 59 patch -59 -41 patch 71 -78 patch 43 9 patch 73 -86 patch -55 36 patch 36 17 patch 43 12 patch 14 13 patch 35 -42 patch -35 64 patch 10 64 patch 37 2 patch -11 60 patch 14 22 patch -7 21 patch 85 -88 patch 4 -18 patch 3 -5 patch -24 17 patch -32 42 patch -16 -30 patch -15 -22 patch -54 -11 patch -33 20 patch 19 14 patch 70 -87 patch -23 84 patch -8 21 patch -21 63 patch 23 62 patch -10 14 patch 1 58 patch -43 -19 patch -30 21 patch 17 -41 patch 37 17 patch 78 -84 patch 39 -36 patch 33 54 patch 25 -45 patch 85 -84 patch 85 -87 patch -65 7 patch 2 24 patch -38 36 patch -18 -45 patch -6 16 patch 3 -2 patch -36 -42 patch 22 1 patch 7 -37 patch -52 24 patch 3 14 patch -36 -21 patch -53 26 patch 64 -88 patch -20 -48 patch -13 -28 patch 6 -9 patch -37 -32 patch -52 11 patch 20 30 patch 2 15 patch 32 15 patch 4 -24 patch -23 16 patch -48 -29 patch -14 55 patch 65 -88 patch -39 14 patch -39 83 patch -45 -10 patch -23 14 patch -40 8 patch -12 65 patch 15 34 patch -31 22 patch -35 63 patch -52 26 patch -7 13 patch 8 -10 patch 31 21 patch -47 23 patch -8 44 patch -45 26 patch 21 -11 patch -53 17 patch -16 24 patch 87 -88 patch -34 17 patch 12 48 patch 78 -86 patch 2 -42 patch -52 25 patch -50 20 patch 27 58 patch 17 60 patch 32 -20 patch 0 -14 patch 83 -78 patch -16 64 patch 0 -6 patch -17 28 patch 6 -43 patch -27 -10 patch -49 -22 patch -4 46 patch 84 -88 patch 30 10 patch 16 14 patch -65 8 patch -56 -37 patch -6 19 patch 29 46 patch 19 21 patch -18 11 patch 33 -23 patch -44 28 patch 23 -46 patch -45 22 patch 33 63 patch 7 -15 patch -28 18 patch -17 -11 patch 38 19 patch -23 -42 patch 22 65 patch -18 -22 patch 43 16 patch -53 -5 patch -59 -16 patch -30 -11 patch 10 49 patch 4 -9 patch 64 -81 patch -46 -6 patch -49 -10 patch -38 29 patch 73 -84 patch -19 -44 patch -34 19 patch 19 17 patch 34 -13 patch -45 32 patch -24 -49 patch -13 18 patch -61 5 patch -35 73 patch 40 -6 patch -10 64 patch -4 44 patch 11 31 patch 71 -79 patch 18 14 patch 7 -8 patch -55 7 patch -59 -49 patch 32 -24 patch -19 19 patch 39 -37 patch 30 -20 patch 4 24 patch 67 -87 patch -28 -43 patch 71 -88 patch -3 -19 patch -32 -12 patch -11 57 patch -37 76 patch -47 -44 patch 78 -88 patch 11 49 patch -50 33 patch -36 -20 patch 30 9 patch -1 57 patch -51 -31 patch -13 -15 patch 36 15 patch 31 -1 patch 38 13 patch 27 46 patch 68 -87 patch -52 -36 patch -11 17 patch 21 -46 patch 32 13 patch 5 29 patch 7 -21 patch -63 -47 patch 44 14 patch -12 59 patch -42 -44 patch -7 20 patch -47 30 patch -45 -18 patch 70 -88 patch 2 -40 patch 5 -9 patch -3 56 patch -35 -22 patch 5 -19 patch -14 -26 patch -5 -16 patch -24 71 patch 28 23 patch 5 -8 patch -19 20 patch -44 54 patch -18 -40 patch -31 13 patch 38 -8 patch -15 65 patch -39 56 patch 7 -30 patch 86 -87 patch -20 52 patch 76 -79 patch 14 29 patch -26 -11 patch -59 6 patch -29 20 patch -43 -20 patch -42 54 patch -21 -16 patch 34 -28 patch 11 17 patch -52 35 patch -31 40 patch -62 -16 patch -25 -48 patch -15 27 patch -18 -42 patch 14 42 patch 87 -84 patch -32 -18 patch -37 80 patch -1 -12 patch -13 17 patch 27 22 patch 14 28 patch -20 57 patch -27 -8 patch -24 72 patch -50 35 patch 30 -45 patch 27 0 patch 16 13 patch -51 33 patch 76 -87 patch -18 -28 patch -24 68 patch 39 -41 patch 70 -79 patch -45 -15 patch -16 -13 patch 4 21 patch -37 -21 patch -52 27 patch -17 82 patch -24 77 patch -43 19 patch 25 57 patch -31 -25 patch 10 53 patch -31 12 patch -31 -38 patch -9 20 patch 86 -88 patch -34 15 patch 39 -39 patch -27 70 patch -5 55 patch 3 20 patch 11 54 patch 21 13 patch -6 48 patch -52 -47 patch 30 -7 patch 41 15 patch 28 57 patch -33 -34 patch 35 -8 patch 69 -88 patch 40 -36 patch -38 58 patch -23 20 patch -35 -13 patch 38 -44 patch 21 65 patch -11 56 patch 40 13 patch 30 -44 patch -36 61 patch 0 66 patch 0 15 patch 79 -83 patch 74 -78 patch -14 -13 patch -6 17 patch 13 65 patch 25 -1 patch 9 52 patch -14 57 patch -17 12 patch 36 -12 patch -42 -13 patch -19 11 patch -38 34 patch -36 -29 patch -15 -25 patch 1 16 patch 38 -34 patch 11 39 patch -58 -15 patch 3 -42 patch -45 31 patch 38 0 patch -38 -24 patch 63 -79 patch 19 16 patch 28 0 patch -47 -8 patch -53 -45 patch 17 14 patch -59 -7 patch -24 -8 patch -46 28 patch 29 1 patch 28 -9 patch -24 16 patch -43 -9 patch 41 22 patch 37 -13 patch 64 -86 patch -39 34 patch -43 -22 patch 24 -9 patch 33 -46 patch 32 -28 patch 29 -5 patch -19 -16 patch -15 -31 patch -35 -33 patch -25 18 patch -55 37 patch 15 27 patch -27 -40 patch 4 26 patch -65 3 patch 37 -7 patch 2 17 patch -39 -19 patch -16 31 patch -4 55 patch 40 3 patch -14 -29 patch 7 -31 patch -23 -43 patch -17 59 patch -59 5 patch 31 -2 patch -1 -16 patch -28 71 patch 38 16 patch 39 20 patch 40 4 patch -39 37 patch -48 -47 patch 3 -3 patch 5 -14 patch -32 22 patch 41 -36 patch -55 -12 patch 3 -36 patch 11 61 patch 30 0 patch -18 12 patch -10 59 patch 43 15 patch 79 -82 patch 12 18 patch -15 25 patch -63 5 patch -2 -15 patch -52 22 patch -31 -39 patch 4 -5 patch 41 -34 patch -6 21 patch -36 25 patch 36 21 patch -54 32 patch -53 25 patch -53 -36 patch -48 -21 patch -15 -41 patch 83 -81 patch 21 30 patch -5 45 patch -61 4 patch 25 17 patch -15 58 patch 13 24 patch -55 -7 patch -7 43 patch 72 -83 patch -51 17 patch 13 26 patch 69 -87 patch 88 -86 patch 86 -84 patch -32 -20 patch -14 -21 patch 33 -44 patch 6 -7 patch 86 -83 patch 24 47 patch 31 58 patch -60 -47 patch 38 14 patch 12 23 patch -3 53 patch 37 15 patch 25 59 patch -45 53 patch -25 -11 patch -39 11 patch -51 -11 patch 9 -42 patch -56 -39 patch -18 60 patch -25 75 patch 78 -85 patch -51 15 patch 12 42 patch -13 16 patch 2 60 patch 25 -7 patch -32 -33 patch 79 -87 patch -16 25 patch 72 -79 patch -16 65 patch -53 23 patch 38 15 patch -3 -17 patch 3 62 patch -63 4 patch -13 -24 patch 66 -88 patch 9 46 patch -34 40 patch -44 33 patch 19 13 patch -17 -34 patch -54 -7 patch -21 51 patch -27 -45 patch 4 -6 patch 22 13 patch -58 2 patch 64 -78 patch 2 28 patch -46 -14 patch 7 13 patch -4 -19 patch 2 56 patch 72 -86 patch 33 56 patch -30 12 patch -34 -39 patch -33 40 patch -41 35 patch 4 -21 patch -24 75 patch 19 -44 patch -41 33 patch -35 71 patch 68 -79 patch 88 -87 patch -22 -8 patch -20 59 patch -7 15 patch 3 -30 patch 5 24 patch -23 -10 patch -6 22 patch -34 39 patch -59 -19 patch -18 57 patch 65 -87 patch -36 76 patch -37 -24 patch -50 16 patch 3 -9 patch -39 36 patch 6 -44 patch -16 11 patch -16 32 patch 4 -22 patch -37 77 patch 14 15 patch -43 -47 patch -53 30 patch -57 6 patch 33 58 patch 25 20 patch -42 -16 patch 7 -5 patch -17 36 patch 32 17 patch -35 -18 patch 30 22 patch 40 23 patch -38 84 patch -53 34 patch -34 -22 patch -42 5 patch -17 38 patch -14 -19 patch 10 59 patch -28 -47 patch 71 -83 patch -52 9 patch 39 -6 patch 41 -9 patch 68 -80 patch -16 -22 patch -19 58 patch 32 -23 patch 86 -78 patch 23 61 patch -43 34 patch -32 -36 patch 6 -24 patch 30 -25 patch -35 -29 patch -32 36 patch 25 13 patch 29 -25 patch -47 -17 patch 8 -40 patch -46 25 patch -52 33 patch -20 56 patch 3 -26 patch -1 -14 patch -3 -16 patch 10 58 patch -46 -25 patch 63 -87 patch -23 68 patch 22 -43 patch 5 -35 patch 2 30 patch -8 12 patch 75 -78 patch -6 20 patch 70 -78 patch -35 72 patch 34 -32 patch -5 48 patch 41 24 patch -34 68 patch -17 -42 patch 3 38 patch -4 -17 patch 42 8 patch 3 -14 patch 31 -26 patch -19 23 patch 37 -10 patch -2 -11 patch -33 -24 patch 29 -19 patch 44 13 patch -18 -11 patch -30 -13 patch 30 8 patch 39 -31 patch -46 20 patch 5 -16 patch -42 9 patch -53 33 patch -13 65 patch -34 -16 patch 18 60 patch -45 21 patch -34 -34 patch 78 -79 patch 6 -4 patch -22 66 patch -24 78 patch 78 -80 patch 12 15 patch 42 7 patch 36 -8 patch 25 60 patch -48 -45 patch 68 -88 patch 85 -79 patch 18 15 patch 9 60 patch -16 -38 patch 25 0 patch 20 -39 patch 4 -16 patch -47 27 patch 33 52 patch -32 -13 patch -2 56 patch 3 -24 patch -16 19 patch -53 10 patch 7 -6 patch -10 23 patch -36 38 patch 6 -35 patch -14 -20 patch -53 28 patch -22 20 patch 5 25 patch 73 -79 patch -12 18 patch -17 -39 patch -14 -23 patch -17 -16 patch 40 22 patch -31 68 patch 2 58 patch -3 55 patch -21 65 patch 44 20 patch -32 40 patch -44 52 patch -21 20 patch 13 52 patch -45 20 patch -50 -25 patch -43 -16 patch -16 28 patch -5 64 patch 4 -28 patch 71 -87 patch 5 -24 patch -4 47 patch -18 13 patch 14 40 patch 39 -7 patch -34 70 patch 11 55 patch 13 55 patch 7 -23 patch 28 46 patch -17 11 patch -34 -23 patch -16 21 patch 7 -25 patch 32 -8 patch -23 -49 patch 81 -88 patch 11 64 patch -18 -44 patch -36 75 patch 3 -7 patch 1 -46 ) [set happy 1] ask patches with [happy = 1] [set pcolor red] end ;GO ;-- ;This function executes the model. If there are no turtles, then it creates a random number ;according to the slider FIREWORKS and sets all the initial values for each firework. ;It then calls PROJECTILE-MOTION, which launches and explodes the fireworks. to go if not any? turtles [ ifelse trails? ;;used so that the trails don't immediately disappear [wait 1] [wait .3] clear-drawing create-rockets (random fireworks) [ setxy random-xcor min-pycor set x-vel ((random-float (2 * initial-x-vel)) - (initial-x-vel)) set y-vel ((random-float initial-y-vel) + initial-y-vel * 2 ) set col ((random 14) + 1) * 10 - 5 ;; reports a random 'primary' color i.e. 5, 15, 25, etc. set color (col + 2) set size 2 set terminal-y-vel (random-float 4.0) ;; at what speed does the rocket explode? ] ] ask turtles [ projectile-motion ] display ; ask patches with [happy = 1] [set pcolor red] if not any? turtles [ tick ] end ;PROJECTILE-MOTION ;----------------- ;This function simulates the actual free-fall motion of the turtles. ;If a turtle is a rocket it checks if it has slowed down enough to explode. to projectile-motion ;; turtle procedure set y-vel (y-vel - (gravity / 5)) set heading (atan x-vel y-vel) let move-amount (sqrt ((x-vel ^ 2) + (y-vel ^ 2))) if not can-move? move-amount [ die ] fd (sqrt ((x-vel ^ 2) + (y-vel ^ 2))) ifelse (breed = rockets) [if (y-vel < terminal-y-vel) [explode die ] ] [fade] end ;EXPLODE ;------- ;This is where the explosion is created. ;EXPLODE calls hatch a number of times indicated by the slider FRAGMENTS. to explode ;; turtle procedure hatch-frags fragments [ set dim 0 rt random 360 set size 1 set x-vel (x-vel * .5 + dx + (random-float 2.0) - 1) set y-vel (y-vel * .3 + dy + (random-float 2.0) - 1) ifelse trails? [ pd ] [ pu ] ] end ;FADE ;---- ;This function changes the color of a frag. ;Each frag fades its color by an amount proportional to FADE-AMOUNT. to fade ;; frag procedure set dim dim - (fade-amount / 10) set color scale-color col dim -5 .5 if ( color < (col - 3.5) ) [die] end ; Copyright 1998 Uri Wilensky. ; See Info tab for full copyright and license. @#$#@#$#@ GRAPHICS-WINDOW 7 10 560 584 90 90 3.0 1 10 1 1 1 0 1 0 1 -90 90 -90 90 1 1 1 ticks 30.0 @#$#@#$#@ ## CREDITS Original model: Wilensky, U. (1998). NetLogo Fireworks model. http://ccl.northwestern.edu/netlogo/models/Fireworks. Center for Connected Learning and Computer-Based Modeling, Northwestern University, Evanston, IL. Greetings modification: F. J. Miguel Quesada (2012) LSDS, Laboratory for Socio-Historical Dynamics Simulation http://sct.uab.cat/lsds. Universitat Autònoma de Barcelona, Barcelona, SPAIN ## COPYRIGHT AND LICENSE Copyright 1998 Uri Wilensky. Copyright 2012 F.J. Miguel. ![CC BY-NC-SA 3.0](http://i.creativecommons.org/l/by-nc-sa/3.0/88x31.png) This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/ or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA. Commercial licenses are also available. To inquire about commercial licenses, please contact Uri Wilensky at uri@northwestern.edu. This model was created as part of the project: CONNECTED MATHEMATICS: MAKING SENSE OF COMPLEX PHENOMENA THROUGH BUILDING OBJECT-BASED PARALLEL MODELS (OBPML). The project gratefully acknowledges the support of the National Science Foundation (Applications of Advanced Technologies Program) -- grant numbers RED #9552950 and REC #9632612. This model was converted to NetLogo as part of the projects: PARTICIPATORY SIMULATIONS: NETWORK-BASED DESIGN FOR SYSTEMS LEARNING IN CLASSROOMS and/or INTEGRATED SIMULATION AND MODELING ENVIRONMENT. The project gratefully acknowledges the support of the National Science Foundation (REPP & ROLE programs) -- grant numbers REC #9814682 and REC-0126227. Converted from StarLogoT to NetLogo, 2001. @#$#@#$#@ default true 0 Polygon -7500403 true true 150 5 40 250 150 205 260 250 airplane true 0 Polygon -7500403 true true 150 0 135 15 120 60 120 105 15 165 15 195 120 180 135 240 105 270 120 285 150 270 180 285 210 270 165 240 180 180 285 195 285 165 180 105 180 60 165 15 arrow true 0 Polygon -7500403 true true 150 0 0 150 105 150 105 293 195 293 195 150 300 150 box false 0 Polygon -7500403 true true 150 285 285 225 285 75 150 135 Polygon -7500403 true true 150 135 15 75 150 15 285 75 Polygon -7500403 true true 15 75 15 225 150 285 150 135 Line -16777216 false 150 285 150 135 Line -16777216 false 150 135 15 75 Line -16777216 false 150 135 285 75 bug true 0 Circle -7500403 true true 96 182 108 Circle -7500403 true true 110 127 80 Circle -7500403 true true 110 75 80 Line -7500403 true 150 100 80 30 Line -7500403 true 150 100 220 30 butterfly true 0 Polygon -7500403 true true 150 165 209 199 225 225 225 255 195 270 165 255 150 240 Polygon -7500403 true true 150 165 89 198 75 225 75 255 105 270 135 255 150 240 Polygon -7500403 true true 139 148 100 105 55 90 25 90 10 105 10 135 25 180 40 195 85 194 139 163 Polygon -7500403 true true 162 150 200 105 245 90 275 90 290 105 290 135 275 180 260 195 215 195 162 165 Polygon -16777216 true false 150 255 135 225 120 150 135 120 150 105 165 120 180 150 165 225 Circle -16777216 true false 135 90 30 Line -16777216 false 150 105 195 60 Line -16777216 false 150 105 105 60 car false 0 Polygon -7500403 true true 300 180 279 164 261 144 240 135 226 132 213 106 203 84 185 63 159 50 135 50 75 60 0 150 0 165 0 225 300 225 300 180 Circle -16777216 true false 180 180 90 Circle -16777216 true false 30 180 90 Polygon -16777216 true false 162 80 132 78 134 135 209 135 194 105 189 96 180 89 Circle -7500403 true true 47 195 58 Circle -7500403 true true 195 195 58 circle false 0 Circle -7500403 true true 0 0 300 circle 2 false 0 Circle -7500403 true true 0 0 300 Circle -16777216 true false 30 30 240 cow false 0 Polygon -7500403 true true 200 193 197 249 179 249 177 196 166 187 140 189 93 191 78 179 72 211 49 209 48 181 37 149 25 120 25 89 45 72 103 84 179 75 198 76 252 64 272 81 293 103 285 121 255 121 242 118 224 167 Polygon -7500403 true true 73 210 86 251 62 249 48 208 Polygon -7500403 true true 25 114 16 195 9 204 23 213 25 200 39 123 cylinder false 0 Circle -7500403 true true 0 0 300 dot false 0 Circle -7500403 true true 90 90 120 face happy false 0 Circle -7500403 true true 8 8 285 Circle -16777216 true false 60 75 60 Circle -16777216 true false 180 75 60 Polygon -16777216 true false 150 255 90 239 62 213 47 191 67 179 90 203 109 218 150 225 192 218 210 203 227 181 251 194 236 217 212 240 face neutral false 0 Circle -7500403 true true 8 7 285 Circle -16777216 true false 60 75 60 Circle -16777216 true false 180 75 60 Rectangle -16777216 true false 60 195 240 225 face sad false 0 Circle -7500403 true true 8 8 285 Circle -16777216 true false 60 75 60 Circle -16777216 true false 180 75 60 Polygon -16777216 true false 150 168 90 184 62 210 47 232 67 244 90 220 109 205 150 198 192 205 210 220 227 242 251 229 236 206 212 183 fish false 0 Polygon -1 true false 44 131 21 87 15 86 0 120 15 150 0 180 13 214 20 212 45 166 Polygon -1 true false 135 195 119 235 95 218 76 210 46 204 60 165 Polygon -1 true false 75 45 83 77 71 103 86 114 166 78 135 60 Polygon -7500403 true true 30 136 151 77 226 81 280 119 292 146 292 160 287 170 270 195 195 210 151 212 30 166 Circle -16777216 true false 215 106 30 flag false 0 Rectangle -7500403 true true 60 15 75 300 Polygon -7500403 true true 90 150 270 90 90 30 Line -7500403 true 75 135 90 135 Line -7500403 true 75 45 90 45 flower false 0 Polygon -10899396 true false 135 120 165 165 180 210 180 240 150 300 165 300 195 240 195 195 165 135 Circle -7500403 true true 85 132 38 Circle -7500403 true true 130 147 38 Circle -7500403 true true 192 85 38 Circle -7500403 true true 85 40 38 Circle -7500403 true true 177 40 38 Circle -7500403 true true 177 132 38 Circle -7500403 true true 70 85 38 Circle -7500403 true true 130 25 38 Circle -7500403 true true 96 51 108 Circle -16777216 true false 113 68 74 Polygon -10899396 true false 189 233 219 188 249 173 279 188 234 218 Polygon -10899396 true false 180 255 150 210 105 210 75 240 135 240 house false 0 Rectangle -7500403 true true 45 120 255 285 Rectangle -16777216 true false 120 210 180 285 Polygon -7500403 true true 15 120 150 15 285 120 Line -16777216 false 30 120 270 120 leaf false 0 Polygon -7500403 true true 150 210 135 195 120 210 60 210 30 195 60 180 60 165 15 135 30 120 15 105 40 104 45 90 60 90 90 105 105 120 120 120 105 60 120 60 135 30 150 15 165 30 180 60 195 60 180 120 195 120 210 105 240 90 255 90 263 104 285 105 270 120 285 135 240 165 240 180 270 195 240 210 180 210 165 195 Polygon -7500403 true true 135 195 135 240 120 255 105 255 105 285 135 285 165 240 165 195 line true 0 Line -7500403 true 150 0 150 300 line half true 0 Line -7500403 true 150 0 150 150 pentagon false 0 Polygon -7500403 true true 150 15 15 120 60 285 240 285 285 120 person false 0 Circle -7500403 true true 110 5 80 Polygon -7500403 true true 105 90 120 195 90 285 105 300 135 300 150 225 165 300 195 300 210 285 180 195 195 90 Rectangle -7500403 true true 127 79 172 94 Polygon -7500403 true true 195 90 240 150 225 180 165 105 Polygon -7500403 true true 105 90 60 150 75 180 135 105 plant false 0 Rectangle -7500403 true true 135 90 165 300 Polygon -7500403 true true 135 255 90 210 45 195 75 255 135 285 Polygon -7500403 true true 165 255 210 210 255 195 225 255 165 285 Polygon -7500403 true true 135 180 90 135 45 120 75 180 135 210 Polygon -7500403 true true 165 180 165 210 225 180 255 120 210 135 Polygon -7500403 true true 135 105 90 60 45 45 75 105 135 135 Polygon -7500403 true true 165 105 165 135 225 105 255 45 210 60 Polygon -7500403 true true 135 90 120 45 150 15 180 45 165 90 square false 0 Rectangle -7500403 true true 30 30 270 270 square 2 false 0 Rectangle -7500403 true true 30 30 270 270 Rectangle -16777216 true false 60 60 240 240 star false 0 Polygon -7500403 true true 151 1 185 108 298 108 207 175 242 282 151 216 59 282 94 175 3 108 116 108 target false 0 Circle -7500403 true true 0 0 300 Circle -16777216 true false 30 30 240 Circle -7500403 true true 60 60 180 Circle -16777216 true false 90 90 120 Circle -7500403 true true 120 120 60 tree false 0 Circle -7500403 true true 118 3 94 Rectangle -6459832 true false 120 195 180 300 Circle -7500403 true true 65 21 108 Circle -7500403 true true 116 41 127 Circle -7500403 true true 45 90 120 Circle -7500403 true true 104 74 152 triangle false 0 Polygon -7500403 true true 150 30 15 255 285 255 triangle 2 false 0 Polygon -7500403 true true 150 30 15 255 285 255 Polygon -16777216 true false 151 99 225 223 75 224 truck false 0 Rectangle -7500403 true true 4 45 195 187 Polygon -7500403 true true 296 193 296 150 259 134 244 104 208 104 207 194 Rectangle -1 true false 195 60 195 105 Polygon -16777216 true false 238 112 252 141 219 141 218 112 Circle -16777216 true false 234 174 42 Rectangle -7500403 true true 181 185 214 194 Circle -16777216 true false 144 174 42 Circle -16777216 true false 24 174 42 Circle -7500403 false true 24 174 42 Circle -7500403 false true 144 174 42 Circle -7500403 false true 234 174 42 turtle true 0 Polygon -10899396 true false 215 204 240 233 246 254 228 266 215 252 193 210 Polygon -10899396 true false 195 90 225 75 245 75 260 89 269 108 261 124 240 105 225 105 210 105 Polygon -10899396 true false 105 90 75 75 55 75 40 89 31 108 39 124 60 105 75 105 90 105 Polygon -10899396 true false 132 85 134 64 107 51 108 17 150 2 192 18 192 52 169 65 172 87 Polygon -10899396 true false 85 204 60 233 54 254 72 266 85 252 107 210 Polygon -7500403 true true 119 75 179 75 209 101 224 135 220 225 175 261 128 261 81 224 74 135 88 99 wheel false 0 Circle -7500403 true true 3 3 294 Circle -16777216 true false 30 30 240 Line -7500403 true 150 285 150 15 Line -7500403 true 15 150 285 150 Circle -7500403 true true 120 120 60 Line -7500403 true 216 40 79 269 Line -7500403 true 40 84 269 221 Line -7500403 true 40 216 269 79 Line -7500403 true 84 40 221 269 x false 0 Polygon -7500403 true true 270 75 225 30 30 225 75 270 Polygon -7500403 true true 30 75 75 30 270 225 225 270 @#$#@#$#@ NetLogo 5.0.2 @#$#@#$#@ set trails? true set fireworks 30 random-seed 3 setup repeat 50 [ go wait 0.05 ] @#$#@#$#@ @#$#@#$#@ @#$#@#$#@ @#$#@#$#@ default 0.0 -0.2 0 1.0 0.0 0.0 1 1.0 0.0 0.2 0 1.0 0.0 link direction true 0 Line -7500403 true 150 150 90 180 Line -7500403 true 150 150 210 180 @#$#@#$#@ 0 @#$#@#$#@