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132 lines
3.3 KiB
132 lines
3.3 KiB
class GrowingObject{
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constructor(){
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this.growing = true;
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}
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show(){
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for (let i = 0; i < this.positions.length && this.positions[i + 1] != null; i++){
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let p1 = p5.Vector.add(this.positions[i], this.pos.root);
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let p2 = p5.Vector.add(this.positions[i + 1], this.pos.root);
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strokeWeight((this.positions.length - i) / this.positions.length * this.width);
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line(p1.x, p1.y, p2.x, p2.y);
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}
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}
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grow(){
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this.pos.current.add(this.vel);
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this.vel.add(this.acc);
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if (this.positions != null && this.width != null){
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this.positions.push(this.pos.current.copy());
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if (this.width < this.maxWidth) this.width++;
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} else {
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this.radius = this.pos.current.mag();
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if (this.radius > this.maxRadius) this.growing = false;
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}
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}
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}
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class Palm extends GrowingObject{
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constructor(x){
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super();
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this.pos = {root: createVector(x, getDesert(x)), current: createVector(0, 0)};
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this.vel = createVector(0, random(-10, -12));
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this.acc = createVector(random(-0.1, 0.1), 0.1);
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this.positions = [this.pos.current.copy()];
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colorMode(HSB);
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this.color = color(35, random(30, 100), 35);
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this.width = 0;
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this.maxWidth = 40;
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this.leaf = [];
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let dispo = random(TWO_PI);
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for (let i = 0; i < 8; i++){
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let root = this.pos.root.copy();
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let direction = i / 4 * PI + dispo;
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this.leaf.push(new Leaf(direction, root));
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}
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this.coconuts = [];
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}
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update(){
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let coconutsReady = true;
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stroke(this.color);
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this.show();
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if (this.growing){
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this.grow();
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coconutsReady = false;
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}
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stroke(this.leaf[0].color);
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for (let l of this.leaf){
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if (this.growing) l.update(this.pos);
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else l.update(null);
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if (l.growing) coconutsReady = false;
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}
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if (this.coconuts.length > 0){
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fill(this.coconuts[0].color);
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stroke(0);
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}
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for (let c of this.coconuts) c.update();
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if (abs(this.vel.x) > abs(this.vel.y)) this.growing = false;
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if (coconutsReady && this.coconuts.length == 0) this.createCoconuts();
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}
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createCoconuts(){
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let count = int(random(2, 8));
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let dispo = random(TWO_PI);
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for (let i = 0; i < count; i++){
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let root = p5.Vector.add(this.pos.root, this.pos.current);
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let direction = i / (count / 2) * PI + dispo;
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this.coconuts.push(new Coconut(direction, root));
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}
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}
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}
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class Leaf extends GrowingObject{
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constructor(direction, root){
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super();
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this.pos = {root: root, current: createVector(0, 0)};
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this.vel = p5.Vector.mult(createVector(p5.Vector.fromAngle(direction).x, p5.Vector.fromAngle(direction).y), 6);
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this.acc = createVector(0, 0.1);
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this.positions = [this.pos.current.copy()];
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colorMode(HSB);
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this.color = color(135, 100, random(50, 80));
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this.width = 0;
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this.maxWidth = 40;
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}
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update(pos){
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if (pos != null) this.pos.root.set(p5.Vector.add(pos.root, pos.current).x, p5.Vector.add(pos.root, pos.current).y);
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this.show();
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if (this.growing) this.grow();
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if (this.positions.length > 40) this.growing = false;
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}
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}
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class Coconut extends GrowingObject{
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constructor(direction, root){
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super();
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this.pos = {root: root, current: createVector(0, 0)};
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this.vel = p5.Vector.fromAngle(direction);
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this.acc = createVector(0, 0);
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this.radius = 0;
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this.maxRadius = random(10, 20);
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this.color = color("#6c4c2a");
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}
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update(){
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if (this.growing) this.grow();
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this.show();
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}
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show(){
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let pos = p5.Vector.add(this.pos.root, this.pos.current);
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ellipse(pos.x, pos.y, this.radius * 2);
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}
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} |