PR0C3551N6 ではじめるアメーバ | Codetter（こーどったー）

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final int MAX_POINT = 180;
final int RADIUS = 150;
final int POINT_SIZE = 5;
PVector[] point = new PVector[MAX_POINT];
float halfWidth;
float halfHeight;
void setup(){
· ··//size(400, 400);
· ··halfWidth = width / 2;
· ··halfHeight = height / 2;
· ··
· ··smooth();
· ··noStroke();
· ··
· ··//··各ポイントにベクトルをセット
· ··for(int i = 0; i < MAX_POINT; i++){
· · · ··float d = 360.0 / MAX_POINT * i;
· · · ··float x = cos(radians(d)) * RADIUS;
· · · ··float y = sin(radians(d)) * RADIUS;
· · · ··point[i] = new PVector(x, y);
· ··}
· ··
}
int c = 0;
void draw(){
· ··background(0);
· ··c += 5;
· ··
· ··PVector tmp = new PVector();
· ··PVector center = new PVector(halfWidth, halfHeight);
· ··
· ··//··各点を描く
· ··for(int i = 0; i < MAX_POINT; i++){
· · · ··tmp.set(point[i]);
· · · ··tmp.mult((sin(radians(i * 14 + c * 1.2))) * 0.2 + 0.8);
· · · ··tmp.mult((cos(radians(i * 18 + -c * 1.7))) * 0.2 + 0.8);
· · · ··tmp.add(center);
· · · ··ellipse(tmp.x, tmp.y, POINT_SIZE, POINT_SIZE);
· ··}
}
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