139 lines
3.9 KiB
Plaintext
139 lines
3.9 KiB
Plaintext
final int SHOOTING_COOLDOWN = 2;
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final float PROJECTILE_RADIUS = 10;
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final float VELOCITY_MAGNITUDE = 2;
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final float HEADING_LINE_LENGTH = 50;
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final float USER_TERMINAL_VELOCITY = 6;
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final float USER_DECELERATION_MAGNITUDE = 0.1;
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final float USER_ACCELERATION_MAGNITUDE = 0.25;
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ArrayList<Projectile> projectiles = new ArrayList<Projectile>();
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ArrayList<Wall> walls = new ArrayList<Wall>();
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PVector mouse;
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int dragIndex = -1;
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boolean dragType = false;
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PVector userPosition, userVelocity;
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void setup() {
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fullScreen();
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mouse = new PVector(width, height/2);
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userPosition = new PVector(width/2, height/2);
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userVelocity = new PVector(0, 0);
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// walls.add(new Wall(
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// new PVector(width/2, 0),
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// new PVector(width, height/2)
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// ));
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// walls.add(new Wall(
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// new PVector(width, height/2),
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// new PVector(width/2, height)
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// ));
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// walls.add(new Wall(
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// new PVector(width/2, height),
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// new PVector(0, height/2)
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// ));
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// walls.add(new Wall(
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// new PVector(0, height/2),
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// new PVector(width/2, 0)
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// ));
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walls.add(new Wall(
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new PVector(100, 100),
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new PVector(width-100, 100)
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));
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walls.add(new Wall(
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new PVector(width-100, 100),
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new PVector(width-100, height-100)
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));
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walls.add(new Wall(
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new PVector(width-100, height-100),
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new PVector(100, height-100)
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));
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walls.add(new Wall(
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new PVector(100, height-100),
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new PVector(100, 100)
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));
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}
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void draw() {
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background(0);
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for (Wall w : walls)
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w.show();
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for (int i = projectiles.size()-1; i >= 0; i--) {
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Projectile p = projectiles.get(i);
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p.show();
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p.move();
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}
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mouse = new PVector(mouseX, mouseY);
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stroke(255,0,0);
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fill(255,0,0);
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ellipse(userPosition.x, userPosition.y, PROJECTILE_RADIUS*2, PROJECTILE_RADIUS*2);
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// Handle 'mouseDrag' when pressing LMB
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if (dragIndex != -1) {
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Wall w = walls.get(dragIndex);
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if (dragType)
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w.end = mouse.copy();
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else
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w.start = mouse.copy();
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}
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// Handle 'shooting' when pressing RMB
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if (mousePressed && mouseButton == RIGHT && frameCount % SHOOTING_COOLDOWN == 0 && !mouse.equals(userPosition)) {
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PVector baseVelocity = PVector.sub(mouse, userPosition);
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baseVelocity.setMag(VELOCITY_MAGNITUDE);
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baseVelocity.add(userVelocity);
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projectiles.add(new Projectile(
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userPosition,
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baseVelocity
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));
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}
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// Display user heading
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PVector userHeading = PVector.sub(mouse, userPosition);
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userHeading.setMag(HEADING_LINE_LENGTH);
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PVector temp = PVector.add(userPosition, userHeading);
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float headingFromOrigin = userHeading.heading();
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PVector arrowLeft = PVector.fromAngle(headingFromOrigin-(4*PI)/5);
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PVector arrowRight = PVector.fromAngle(headingFromOrigin+(4*PI)/5);
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arrowLeft.setMag(HEADING_LINE_LENGTH / 3);
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arrowRight.setMag(HEADING_LINE_LENGTH / 3);
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arrowLeft.add(temp);
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arrowRight.add(temp);
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if (!mouse.equals(userPosition)) {
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stroke(255);
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noFill();
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line(userPosition.x, userPosition.y, temp.x, temp.y);
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line(temp.x, temp.y, arrowLeft.x, arrowLeft.y);
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line(temp.x, temp.y, arrowRight.x, arrowRight.y);
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}
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// Handle user movement
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float decel = userVelocity.mag()-USER_DECELERATION_MAGNITUDE;
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if (decel < 0)
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decel = 0;
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userVelocity.setMag(decel);
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PVector nPos = PVector.add(userPosition, userVelocity);
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boolean xZero = nPos.x < 0;
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if (xZero || nPos.x > width) {
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nPos.x = (xZero) ? 0 : width;
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userVelocity.x = 0;
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}
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boolean yZero = nPos.y < 0;
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if (yZero || nPos.y > height) {
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nPos.y = (yZero) ? 0 : height;
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userVelocity.y = 0;
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}
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userPosition = nPos.copy();
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if (keyPressed) {
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userMovement(key, headingFromOrigin);
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}
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}
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