Artists
Translations
Creature Tunnel
Translated by
Michael Price
Based on:
Creature Tunnel
by
William Kolomyjec
Category:
direct
Play
Stop
/* Part of the ReCode Project (http://recodeproject.com) Based on "Creature Tunnel" by William Kolomyjec Originally published in "Computer Graphics and Art" vol2 no3, 1977 Copyright (c) 2012 Michael Price - OSI/MIT license (http://recodeproject/license). */ const BASE_ANIMAL_SCALE = 100.0; const TUNNEL_RADIUS = 50; function setup() { createCanvas(512, 512); noLoop(); } function drawAnimal(pts) { beginShape(); for (let i = 0; i < pts.length; i++) { vertex(BASE_ANIMAL_SCALE * pts[i][0] - BASE_ANIMAL_SCALE / 2, BASE_ANIMAL_SCALE * pts[i][1] - BASE_ANIMAL_SCALE / 2); } endShape(CLOSE); } function transformToTunnelPoint() { let theta, zz, r, dx, dy, tx, ty, tunneldist; do { theta = random(TWO_PI); // Bastardization of perspective transform. zz = random(5) + 1.0; r = height / 2 + TUNNEL_RADIUS; dx = r * cos(theta) / zz; dy = r * sin(theta) / zz; tx = width / 2 + dx; ty = height / 2 + dy; tunneldist = sqrt(dx * dx + dy * dy); // Rejection sampling. } while (tunneldist < TUNNEL_RADIUS); translate(tx, ty); let persp = (tunneldist - TUNNEL_RADIUS + 25) / (height / 2); // Persepective attentuation. let angle = atan2(dy, dx); rotate(angle); scale(min(1.0, persp * persp * persp * 2), min(1.0, persp)); rotate(-angle); // Random rotation. rotate(random(TWO_PI)); } function draw() { background(255); fill(0, 0, 0, 0); for (let i = 0; i < 300; i++) { push(); transformToTunnelPoint(); drawAnimal(ANIMALS[floor(random(ANIMALS.length))]); pop(); } } const GOOSE = [[0.53515625,0.14648438], [0.56640625,0.14648438], [0.5839844,0.17382812], [0.5800781,0.19335938], [0.5644531,0.20507812], [0.5625,0.22070312], [0.5644531,0.23632812], [0.5761719,0.24414062], [0.5878906,0.27148438], [0.58984375,0.2890625], [0.5683594,0.30664062], [0.5546875,0.3203125], [0.5546875,0.34375], [0.5546875,0.37109375], [0.5703125,0.37695312], [0.5839844,0.3984375], [0.5839844,0.41601562], [0.5839844,0.4375], [0.60546875,0.44726562], [0.6308594,0.44335938], [0.6582031,0.41210938], [0.7167969,0.38085938], [0.7734375,0.37695312], [0.79296875,0.38671875], [0.82421875,0.40039062], [0.8652344,0.42382812], [0.8984375,0.46679688], [0.9316406,0.49023438], [0.953125,0.515625], [0.9589844,0.52734375], [0.9589844,0.55078125], [0.9355469,0.5683594], [0.91015625,0.5703125], [0.8730469,0.56640625], [0.84375,0.5566406], [0.83203125,0.55078125], [0.81640625,0.5761719], [0.796875,0.5878906], [0.79296875,0.58203125], [0.7753906,0.5527344], [0.7558594,0.55078125], [0.71875,0.56640625], [0.71875,0.57421875], [0.7050781,0.5878906], [0.67578125,0.5957031], [0.65625,0.5703125], [0.65625,0.5683594], [0.6308594,0.5839844], [0.62890625,0.5859375], [0.6230469,0.6171875], [0.6269531,0.6542969], [0.6542969,0.6816406], [0.66796875,0.7011719], [0.6777344,0.7246094], [0.67578125,0.7441406], [0.65234375,0.7441406], [0.62890625,0.734375], [0.60546875,0.7421875], [0.609375,0.7636719], [0.6035156,0.796875], [0.5839844,0.81640625], [0.5625,0.8300781], [0.5234375,0.83203125], [0.49414062,0.8105469], [0.49414062,0.7832031], [0.49414062,0.7597656], [0.47851562,0.7578125], [0.46484375,0.7792969], [0.40625,0.7871094], [0.3984375,0.7714844], [0.3984375,0.7480469], [0.41992188,0.7050781], [0.43359375,0.6816406], [0.47070312,0.65234375], [0.48046875,0.6425781], [0.46289062,0.5957031], [0.453125,0.5859375], [0.42382812,0.5859375], [0.39257812,0.609375], [0.3671875,0.59375], [0.328125,0.59375], [0.3125,0.6074219], [0.3046875,0.625], [0.2734375,0.63671875], [0.25585938,0.63671875], [0.22265625,0.6171875], [0.19335938,0.6113281], [0.171875,0.62890625], [0.15234375,0.6464844], [0.140625,0.6640625], [0.115234375,0.6425781], [0.091796875,0.62890625], [0.068359375,0.625], [0.046875,0.60546875], [0.0625,0.5917969], [0.103515625,0.5449219], [0.14257812,0.5136719], [0.19335938,0.45507812], [0.28320312,0.39453125], [0.34375,0.390625], [0.39257812,0.40820312], [0.42773438,0.43945312], [0.45898438,0.45507812], [0.48828125,0.46679688], [0.5019531,0.46679688], [0.50390625,0.46679688], [0.5097656,0.4453125], [0.5097656,0.421875], [0.5097656,0.37695312], [0.51171875,0.34960938], [0.5292969,0.33398438], [0.5175781,0.31835938], [0.5019531,0.30078125], [0.49414062,0.2734375], [0.49804688,0.24414062], [0.5097656,0.234375], [0.51953125,0.22265625], [0.51953125,0.203125], [0.51171875,0.1953125], [0.5058594,0.16601562], [0.5058594,0.14648438], [0.51953125,0.1328125], [0.5390625,0.12695312], [0.5488281,0.12695312]]; const BEAVER = [[0.45117188,0.037109375], [0.49414062,0.048828125], [0.5527344,0.107421875], [0.5839844,0.15429688], [0.5839844,0.171875], [0.6074219,0.16796875], [0.6425781,0.16796875], [0.66796875,0.13867188], [0.6777344,0.16015625], [0.6972656,0.17382812], [0.6738281,0.18359375], [0.6953125,0.203125], [0.6699219,0.20898438], [0.6542969,0.203125], [0.6074219,0.2421875], [0.6171875,0.27929688], [0.63671875,0.29296875], [0.6464844,0.3046875], [0.6542969,0.3359375], [0.640625,0.39453125], [0.640625,0.4140625], [0.7109375,0.44335938], [0.7480469,0.41796875], [0.7421875,0.43945312], [0.7597656,0.45117188], [0.7441406,0.45898438], [0.7636719,0.47460938], [0.7441406,0.48242188], [0.7402344,0.50390625], [0.7050781,0.4765625], [0.66796875,0.46289062], [0.6171875,0.47265625], [0.59765625,0.48828125], [0.5859375,0.49804688], [0.56640625,0.5058594], [0.5605469,0.5234375], [0.56640625,0.5546875], [0.5996094,0.6386719], [0.62109375,0.703125], [0.66796875,0.77734375], [0.6777344,0.8105469], [0.63671875,0.9042969], [0.5546875,0.9511719], [0.49609375,0.9511719], [0.453125,0.921875], [0.421875,0.8671875], [0.40625,0.8203125], [0.40820312,0.7949219], [0.41992188,0.7578125], [0.42382812,0.7011719], [0.43554688,0.65234375], [0.44335938,0.6269531], [0.45117188,0.5859375], [0.45898438,0.55078125], [0.46289062,0.5234375], [0.45703125,0.5078125], [0.41992188,0.48828125], [0.38867188,0.484375], [0.34765625,0.49023438], [0.32421875,0.49804688], [0.30273438,0.5], [0.29101562,0.51171875], [0.28125,0.53125], [0.25585938,0.5214844], [0.25390625,0.50390625], [0.24023438,0.4921875], [0.23632812,0.47851562], [0.25390625,0.4765625], [0.27148438,0.47070312], [0.29101562,0.4765625], [0.30859375,0.46679688], [0.33007812,0.45117188], [0.34765625,0.4296875], [0.34179688,0.40625], [0.33398438,0.37695312], [0.33398438,0.33984375], [0.33398438,0.3046875], [0.33984375,0.2734375], [0.34179688,0.24804688], [0.33007812,0.234375], [0.30859375,0.2265625], [0.28710938,0.21679688], [0.27539062,0.21875], [0.25,0.22460938], [0.265625,0.2109375], [0.265625,0.18945312], [0.26757812,0.17578125], [0.26953125,0.1640625], [0.2890625,0.16992188], [0.28710938,0.18945312], [0.3046875,0.1953125], [0.3203125,0.1953125], [0.34375,0.19140625], [0.36914062,0.18164062], [0.38085938,0.1875], [0.36914062,0.16992188], [0.3671875,0.15820312], [0.36914062,0.140625], [0.38085938,0.123046875], [0.40429688,0.109375], [0.41601562,0.091796875], [0.43164062,0.064453125], [0.44921875,0.05078125], [0.46679688,0.044921875], [0.49414062,0.05859375], [0.5097656,0.07421875]]; const FROG = [[0.5292969,0.03125], [0.5625,0.037109375], [0.6308594,0.0859375], [0.6660156,0.15625], [0.640625,0.125], [0.609375,0.123046875], [0.56640625,0.15820312], [0.5722656,0.1953125], [0.6035156,0.22460938], [0.6347656,0.22851562], [0.6660156,0.18945312], [0.6933594,0.2421875], [0.7519531,0.23632812], [0.7910156,0.18554688], [0.796875,0.24023438], [0.83203125,0.23046875], [0.8066406,0.265625], [0.8378906,0.3046875], [0.7890625,0.28710938], [0.79296875,0.31445312], [0.76171875,0.265625], [0.6933594,0.296875], [0.6152344,0.5058594], [0.7441406,0.58984375], [0.7597656,0.7597656], [0.6230469,0.7890625], [0.7167969,0.8671875], [0.6699219,0.8886719], [0.6699219,0.9277344], [0.64453125,0.9355469], [0.60546875,0.90625], [0.5917969,0.9355469], [0.5527344,0.7714844], [0.5761719,0.7480469], [0.65234375,0.7050781], [0.5878906,0.6875], [0.5214844,0.6386719], [0.50390625,0.55078125], [0.47851562,0.62109375], [0.45507812,0.6621094], [0.33984375,0.68359375], [0.33789062,0.69140625], [0.4296875,0.765625], [0.38085938,0.9238281], [0.375,0.91015625], [0.36523438,0.9003906], [0.3046875,0.9121094], [0.30078125,0.8691406], [0.27734375,0.8515625], [0.26953125,0.8515625], [0.2578125,0.83203125], [0.36132812,0.78125], [0.34179688,0.7636719], [0.22851562,0.7363281], [0.25195312,0.58203125], [0.27539062,0.5449219], [0.3984375,0.49414062], [0.36328125,0.28710938], [0.29101562,0.24609375], [0.25390625,0.28320312], [0.24804688,0.27148438], [0.23242188,0.26367188], [0.1875,0.2734375], [0.22070312,0.24023438], [0.21484375,0.20898438], [0.24023438,0.203125], [0.25585938,0.15820312], [0.27148438,0.18359375], [0.28710938,0.20703125], [0.34570312,0.22265625], [0.37890625,0.1640625], [0.38867188,0.18554688], [0.40820312,0.22070312], [0.44335938,0.23046875], [0.4609375,0.21679688], [0.47460938,0.18164062], [0.48046875,0.15625], [0.4609375,0.12890625], [0.4375,0.12109375], [0.40429688,0.115234375], [0.38671875,0.13867188], [0.41015625,0.0859375], [0.45898438,0.056640625], [0.49804688,0.0390625], [0.5390625,0.03125]]; const ECHIDNA = [[0.50390625,0.046875], [0.47851562,0.072265625], [0.47070312,0.099609375], [0.484375,0.20703125], [0.48632812,0.22851562], [0.45898438,0.23828125], [0.43945312,0.26367188], [0.42773438,0.2890625], [0.42578125,0.31835938], [0.44335938,0.34765625], [0.46484375,0.359375], [0.4765625,0.375], [0.47265625,0.38476562], [0.44726562,0.359375], [0.39648438,0.32421875], [0.37304688,0.31054688], [0.34375,0.28710938], [0.31640625,0.29296875], [0.30273438,0.30859375], [0.2734375,0.33789062], [0.26757812,0.37109375], [0.27148438,0.4140625], [0.29101562,0.43945312], [0.31054688,0.44335938], [0.33984375,0.45703125], [0.37109375,0.45898438], [0.39257812,0.45703125], [0.328125,0.48046875], [0.28710938,0.49414062], [0.25585938,0.5644531], [0.23046875,0.62890625], [0.23242188,0.6816406], [0.25,0.75], [0.29882812,0.7890625], [0.3125,0.8105469], [0.30664062,0.8457031], [0.31054688,0.8925781], [0.33789062,0.9199219], [0.41796875,0.8769531], [0.44921875,0.88671875], [0.48828125,0.9277344], [0.50390625,0.9667969], [0.5332031,0.9140625], [0.5957031,0.890625], [0.6386719,0.88671875], [0.66796875,0.9121094], [0.6894531,0.8886719], [0.7050781,0.8613281], [0.6953125,0.8183594], [0.76171875,0.75], [0.765625,0.7109375], [0.765625,0.6503906], [0.7265625,0.5605469], [0.6875,0.51953125], [0.6171875,0.49414062], [0.67578125,0.48046875], [0.71484375,0.48046875], [0.73828125,0.44726562], [0.7324219,0.39257812], [0.7011719,0.35351562], [0.63671875,0.3515625], [0.57421875,0.3515625], [0.5390625,0.38671875], [0.5683594,0.33789062], [0.59765625,0.32617188], [0.6074219,0.30664062], [0.58203125,0.26953125], [0.55078125,0.24023438], [0.5390625,0.21875], [0.53515625,0.16796875], [0.5371094,0.13671875], [0.5371094,0.095703125], [0.51953125,0.0546875], [0.50390625,0.046875]]; const ANIMALS = [GOOSE, FROG, BEAVER, ECHIDNA];
