95 lines
2.1 KiB
Plaintext
95 lines
2.1 KiB
Plaintext
class Bird {
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float x;
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float y;
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float z;
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float radius;
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float angle;
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float angleSpeed = 0.01 + random(0.0005 - 0.00001);
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int directionX = (random(0, 1) < 0.5) ? 1 : -1;
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int directionY = (random(0, 1) < 0.5) ? 1 : -1;
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float wingAngle1 = PI;
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float wingAngle2 = PI;
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int wingDirection1 = 1;
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int wingDirection2 = 1;
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float wingFlapSpeed = 0.05;
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float wingFlapRange = QUARTER_PI;
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float perlinOffset;
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Bird(float x, float y, float z) {
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this.x = x;
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this.y = y;
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this.z = z;
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this.radius = 500;
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this.angle = 0;
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this.perlinOffset = random(1000);
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}
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void drawBird() {
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pushMatrix();
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float angleX = HALF_PI;
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float angleY = 0;
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rotateX(angleX);
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rotateY(angleY);
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float birdZ = map(noise(perlinOffset, millis() * 0.0002), 0, 1, 800, 1000);
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translate(x, y, birdZ);
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float birdX = cos(angle) * radius * directionX;
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float birdY = sin(angle) * radius * directionY;
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translate(birdX, birdY, 0);
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fill(100, 100, 100);
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box(10, 10, 10);
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translate(-6, 3, 5);
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box(6, 6, 6);
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translate(6, -3, -5);
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translate(0, -5, 5);
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float wingFlap1 = sin(wingAngle1) * wingFlapRange;
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rotateX(wingFlap1);
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if (wingAngle1 >= PI + wingFlapRange || wingAngle1 <= PI - wingFlapRange) {
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wingDirection1 *= -1;
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}
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wingAngle1 += wingDirection1 * wingFlapSpeed;
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fill(128, 128, 128);
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drawWing(10, 30, 5);
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rotateX(-wingFlap1);
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translate(5, 5);
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rotateZ(HALF_PI);
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float wingFlap2 = sin(wingAngle2) * wingFlapRange;
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rotateX(wingFlap2);
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if (wingAngle2 >= PI + wingFlapRange || wingAngle2 <= PI - wingFlapRange) {
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wingDirection2 *= -1;
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}
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wingAngle2 += wingDirection2 * wingFlapSpeed;
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fill(128, 128, 128);
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drawWing(10, 30, 5);
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angle += angleSpeed;
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popMatrix();
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}
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void drawWing(float width, float length, float thickness) {
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beginShape();
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vertex(-width / 2, 0);
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vertex(width / 2, 0);
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vertex(width / 4, -length);
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vertex(-width / 4, -length);
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endShape(CLOSE);
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}
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}
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