var HW; var HH; var N; var O; var R; var IR; var BG; var colors = []; var player; var coin; var polarPoints = []; var triangles = []; var score = 0; function setup(){ createCanvas(400, 420); HW = width / 2.0; HH = height / 2.0; N = 5; // must be between 3 and 8 O = createVector(HW, HH); R = HW * 0.8; IR = R * cos(PI / N); BG = [80]; initColors(); coin = new Coin(); player = new PolarPoint(0, 0); initPolarPoints(); initTriangles(); } function mouseClicked(){ player.move(); coin.collide(); } function draw(){ background(BG); for (let i = 0; i < triangles.length; i++){ triangles[i].show(); } coin.show(); displayScore(); } class PolarPoint{ constructor(_a, _r, _o){ this.x = 0; this.y = 0; this.a = _a; this.r = _r; this.update(); } update(){ this.x = this.r * cos(this.a) + O.x; this.y = this.r * sin(this.a) + O.y; } move(){ let dx = mouseX - O.x; let dy = mouseY - O.y; if (abs(dx) < 1){ if (dy > 0){ this.a = PI / 2.0; }else{ this.a = 1.5 * PI; } }else{ this.a = atan(1.0 * dy/dx); if (dx < 0){ this.a += PI; } } this.r = mag(dx, dy); if (this.r > IR){ this.r = IR; } this.update(); } } class Triangle{ constructor(_i, _polarPoints){ this.i = _i; this.polarPoints = _polarPoints; } show(){ fill(colors[this.i]); stroke(BG); strokeWeight(2); beginShape(); for(let i = 0; i < this.polarPoints.length; i++){ let x = this.polarPoints[i].x; let y = this.polarPoints[i].y; vertex(x, y); } endShape(); } } function initPolarPoints(){ let dA = 2 * PI / N; for (let i = 0; i < N; i++){ polarPoints[i] = new PolarPoint(i * dA, R); } } function initTriangles(){ for (let i = 0; i < N; i++){ let pp = []; pp[0] = player; if (i == N - 1){ pp[1] = polarPoints[N - 1]; pp[2] = polarPoints[0]; }else{ pp[1] = polarPoints[i]; pp[2] = polarPoints[i + 1]; } triangles[i] = new Triangle(i, pp); } } function initColors(){ colors = [ [220, 0, 127], [255, 127, 0], [220, 220, 0], [0, 200, 0], [0, 200, 200], [0, 127, 200], [0, 0, 200], [108, 0, 217]]; } class Coin{ constructor(){ this.i = 0; this.d = width / 20.0; this.p = new PolarPoint(0, 0); } update(){ this.i = int(random(N)); this.p = new PolarPoint(this.randomAngle(), random(IR * 0.8)); } randomAngle(){ let accuracy = 360.0; return 2 * PI * random(accuracy) / accuracy; } collide(){ for (let i = 0; i < triangles.length; i++){ if (pointInTriangle(this.p, triangles[i])){ if (this.i == i){ this.update(); increaseScore(); } } } } show(){ fill(colors[this.i]); stroke(BG); strokeWeight(2); ellipse(this.p.x, this.p.y, this.d, this.d); } } function increaseScore(){ score += 1; } function sign(p1, p2, p3){ return (p1.x - p3.x) * (p2.y - p3.y) - (p2.x - p3.x) * (p1.y - p3.y); } function pointInTriangle(pt, t){ let d1, d2, d3; let has_neg, has_pos; let v1 = t.polarPoints[0]; let v2 = t.polarPoints[1]; let v3 = t.polarPoints[2]; d1 = sign(pt, v1, v2); d2 = sign(pt, v2, v3); d3 = sign(pt, v3, v1); has_neg = (d1 < 0) || (d2 < 0) || (d3 < 0); has_pos = (d1 > 0) || (d2 > 0) || (d3 > 0); return !(has_neg && has_pos); } function displayScore(){ noFill(); stroke(220); strokeWeight(2); textSize(40); textAlign(CENTER); text("score: " + score, O.x, 40); }

[Game] Color gon