@Override
public void tick(Canvas c) {
// moving the sliding background
slicing1_x1 -= move;
slicing1_x2 -= move;
slicing2_x1 -= move;
slicing2_x2 -= move;
// if sliding background is out of the screen, chane the x coordinates to move it back again
if (slicing1_x2 <= 0) {
slicing1_x1 = slicing2_x2;
slicing1_x2 = slicing1_x1 + getWidth();
}
if (slicing2_x2 <= 0) {
slicing2_x1 = slicing1_x2;
slicing2_x2 = slicing2_x1 + getWidth();
}
drawWallPaper(c); // calling to draw the sliding background
spaceship_y1 += YDown + YVel;
spaceship_y2 += YDown + YVel;
if (spaceship_y1 <= 0) {
spaceship_y1 = 0;
spaceship_y2 = spaceship_size;
}
if (spaceship_y2 >= getHeight()) {
spaceship_y2 = getHeight();
spaceship_y1 = spaceship_y2 - spaceship_size;
}
pointY = spaceship_y1 + spaceship_size / 2;
trajectory.tick(c); // calling trajectory tick for the trajectory
cosmicfactory.tick(c); // calling cosmicfactory tick for the cosmic factory objects
drawSpaceShip(c); // drawing the spaceship
// counter for the score
counter++;
if (counter % 10 == 0) { // to slow down the counter
score++; // the real score
}
// printing the score on the top left of the screen
Paint paint2 = new Paint();
paint2.setColor(Color.WHITE);
paint2.setTextSize(100);
c.drawText(Integer.toString(score), 50, 100, paint2);
// cheking if spaceship is hitting any objects
int distance;
check:
for (int i = 0; i < 10; i++) {
CosmicObject obj1 = cosmicfactory.Clusters.get(0).get(i);
CosmicObject obj2 = cosmicfactory.Clusters.get(1).get(i);
if (obj1.centerX <= pointX + safe_distance && obj1.centerX >= pointX - safe_distance) {
distance =
(int)
Math.sqrt(Math.pow(obj1.centerX - pointX, 2) + Math.pow(obj1.centerY - pointY, 2));
if (distance < safe_distance) {
lose = 1;
break check;
}
}
if (obj2.centerX <= pointX + safe_distance && obj2.centerX >= pointX - safe_distance) {
distance =
(int)
Math.sqrt(Math.pow(obj2.centerX - pointX, 2) + Math.pow(obj2.centerY - pointY, 2));
if (distance < safe_distance) {
lose = 1;
break check;
}
}
/*
if (obj2.x1 <= 350 && obj2.x2 >= 200) {
if ((spaceship_y1 >= obj2.y1 && spaceship_y1 <= obj2.y2) ||
(spaceship_y2 >= obj2.y1 && spaceship_y2 <= obj2.y2))
{
lose = 1;
break check;
}
}*/
}
// if lost print out gameover and the score and stop the program
if (lose == 1) {
Paint paint4 = new Paint();
paint4.setColor(Color.WHITE);
paint4.setTextSize(250);
c.drawText("Game Over", getWidth() / 2 - 600, getHeight() / 2 - 50, paint4);
Paint paint5 = new Paint();
paint5.setColor(Color.WHITE);
paint5.setTextSize(150);
c.drawText(
"Your Score " + Integer.toString(score),
getWidth() / 2 - 600,
getHeight() / 2 + 100,
paint5);
renderThread.interrupt();
}
}
