public void compute() {
for (int i = 0; i < bullet.size(); i++) {
bullet.get(i).bullet_x = bullet.get(i).bullet_x + 3 * bullet.get(i).current_direction_x;
bullet.get(i).bullet_y = bullet.get(i).bullet_y + 3 * bullet.get(i).current_direction_y;
}
for (int i = 0; i < bullet.size(); i++) {
if (bullet.get(i).bullet_x > 1366
|| bullet.get(i).bullet_x < 0
|| bullet.get(i).bullet_y > 768
|| bullet.get(i).bullet_y < 0) bullet.remove(i);
}
// Check collision bullet with enemy
for (int i = 0; i < bullet.size(); i++) {
for (int j = 0; j < enemy.size(); j++) {
if (collision.collision_bullet_enemy(
18,
(int) bullet.get(i).bullet_x + 18,
(int) bullet.get(i).bullet_y + 18, // bullet
(int) enemy.get(j).getX(),
(int) enemy.get(j).getY(), // point x1, y1
(int) enemy.get(j).getX() + (int) enemy.get(j).get_spr_w(),
(int) enemy.get(j).getY(), // point x2, y2
(int) enemy.get(j).getX() + (int) enemy.get(j).get_spr_w(),
(int) enemy.get(j).getY() + (int) enemy.get(j).get_spr_h(),
(int) enemy.get(j).getX(),
(int) enemy.get(j).getY() + (int) enemy.get(j).get_spr_h() // point x4, y4
)
== true) {
// create_explosion(bullet.get(i).bullet_x, bullet.get(i).bullet_y);
if (bullet.get(i).get_type() == 's') // simple bullet
{
enemy.get(j).dec_live();
}
if (bullet.get(i).get_type() == 'f') // fireball
{
enemy.get(j).dec_live();
enemy.get(j).dec_live();
}
if (bullet.get(i).get_type() == 'r') // rocket
{
enemy.get(j).dec_live();
enemy.get(j).dec_live();
enemy.get(j).dec_live();
}
if (enemy.get(j).get_live() <= 0) {
enemy.remove(j);
} else // push enemy
{
enemy.get(j).push();
}
bullet.remove(i);
break;
}
}
}
// Преследование игрока
for (int i = 0; i < enemy.size(); i++) {
if (enemy.get(i).get_type() == "enemy1"
|| enemy.get(i).get_type() == "enemy2"
|| enemy.get(i).get_type() == "enemy3") {
angle2 =
Math.atan2(player.getY() - enemy.get(i).getY(), player.getX() - enemy.get(i).getX())
* 180
/ 3.14;
double a = player.getX() - enemy.get(i).getX();
double b = player.getY() - enemy.get(i).getY();
double kvadrat = Math.sqrt((a * a + b * b));
double tempx = a / kvadrat;
double tempy = Math.sqrt(1 - tempx * tempx);
if (b < 0) tempy = -tempy;
enemy.get(i).v_x = enemy.get(i).speed * tempx;
enemy.get(i).v_y = enemy.get(i).speed * tempy;
enemy.get(i).setX((enemy.get(i).getX() + enemy.get(i).speed * tempx));
enemy.get(i).setY((enemy.get(i).getY() + enemy.get(i).speed * tempy));
} else {
if (enemy.get(i).created == false) {
angle2 =
Math.atan2(player.getY() - enemy.get(i).getY(), player.getX() - enemy.get(i).getX())
* 180
/ 3.14;
double a = player.getX() - enemy.get(i).getX();
double b = player.getY() - enemy.get(i).getY();
double kvadrat = Math.sqrt((a * a + b * b));
double tempx = a / kvadrat;
double tempy = Math.sqrt(1 - tempx * tempx);
if (b < 0) tempy = -tempy;
enemy.get(i).v_x = enemy.get(i).speed * tempx;
enemy.get(i).v_y = enemy.get(i).speed * tempy;
enemy.get(i).created = true;
}
enemy.get(i).setX((enemy.get(i).getX() + enemy.get(i).get_vx()));
enemy.get(i).setY((enemy.get(i).getY() + enemy.get(i).get_vy()));
}
}
for (int j = 0; j < enemy.size(); j++) {
if (collision.collision_with_box(
(int) player.getX() + 14,
(int) player.getY() + 28,
(int) player.getX() + 114,
(int) player.getY() + 95,
(int) enemy.get(j).getX() + 22,
(int) enemy.get(j).getY() + 30,
(int) enemy.get(j).getX() + 102,
(int) enemy.get(j).getY() + 96)
== true) {
enemy.remove(j);
player_live--;
if (player_live == 0) {
JOptionPane.showMessageDialog(null, "Game over!");
start_game();
}
}
}
if (time_game > frequency) {
generate_enemy();
time_game = 0;
}
if (left_mouse_pressed == true && allow_shoot == true) {}
time_game += 0.01;
frequency -= 0.0001;
}
private double[] calculatePenaltyForces(double[] X, double[] V, HashSet<Collision> cSet) {
double[] penalty = new double[X.length];
// for each collision, apply the penalties
for (Collision col : cSet) {
// Collision col = col_rec[i];
// vertex-face collision
if (col.getType() == Collision.VERTEX_FACE) {
// System.out.println("VERTEX-FACE");
// get indicies
int[] parts = col.getParticles();
int p = parts[0];
int a = parts[1];
int b = parts[2];
int c = parts[3];
// get barycentric coords
double[] bc = col.getBaryCoords();
double u = bc[0];
double v = bc[1];
double w = bc[2];
// get collision point and collision velocities
Vector3d xa = new Vector3d(); // was Vector3d xa, xb, va, vb;
Vector3d xb = new Vector3d();
Vector3d va = new Vector3d();
Vector3d vb = new Vector3d();
xa.set(X[3 * p], X[3 * p + 1], X[3 * p + 2]);
xb.set(
u * X[3 * a] + v * X[3 * b] + w * X[3 * c],
u * X[3 * a + 1] + v * X[3 * b + 1] + w * X[3 * c + 1],
u * X[3 * a + 2] + v * X[3 * b + 2] + w * X[3 * c + 2]);
va.set(V[3 * p], V[3 * p + 1], V[3 * p + 2]);
vb.set(
u * V[3 * a] + v * V[3 * b] + w * V[3 * c],
u * V[3 * a + 1] + v * V[3 * b + 1] + w * V[3 * c + 1],
u * V[3 * a + 2] + v * V[3 * b + 2] + w * V[3 * c + 2]);
// System.out.println("REL VEL "+xa.minus(xb).dot(va.minus(vb))+" "+va+" "+vb+" "+xa+"
// "+xb);
// System.out.println("REL VEL2 "+xb.minus(xa).dot(vb.minus(va)));
/*if the objects have do not have
a seperating velocity, apply the
local spring penalty */
if (xa.minus(xb).dot(va.minus(vb)) < 0) {
double[] local_penalty = springPenalty(xa, xb, col.getDistance());
// apply to vertex
penalty[3 * p] += local_penalty[0];
penalty[3 * p + 1] += local_penalty[1];
penalty[3 * p + 2] += local_penalty[2];
// apply to triangle coordinates
penalty[3 * a] += bc[0] * local_penalty[3];
penalty[3 * a + 1] += bc[0] * local_penalty[4];
penalty[3 * a + 2] += bc[0] * local_penalty[5];
penalty[3 * b] += bc[1] * local_penalty[3];
penalty[3 * b + 1] += bc[1] * local_penalty[4];
penalty[3 * b + 2] += bc[1] * local_penalty[5];
penalty[3 * c] += bc[2] * local_penalty[3];
penalty[3 * c + 1] += bc[2] * local_penalty[4];
penalty[3 * c + 2] += bc[2] * local_penalty[5];
}
}
// edge-edge collision
if (col.getType() == Collision.EDGE_EDGE) {
// get indicies
int[] parts = col.getParticles();
int p1 = parts[0];
int q1 = parts[1];
int p2 = parts[2];
int q2 = parts[3];
// get barycentric coords
double[] coords = col.getBaryCoords();
double s = coords[0];
double t = coords[1];
Vector3d xa = new Vector3d(); // was Vector3d xa, xb, va, vb;
Vector3d xb = new Vector3d();
Vector3d va = new Vector3d();
Vector3d vb = new Vector3d();
// edge points
xa.set(
s * X[3 * p1] + (1 - s) * X[3 * q1],
s * X[3 * p1 + 1] + (1 - s) * X[3 * q1 + 1],
s * X[3 * p1 + 2] + (1 - s) * X[3 * q1 + 2]);
xb.set(
t * X[3 * p2] + (1 - t) * X[3 * q2],
t * X[3 * p2 + 1] + (1 - t) * X[3 * q2 + 1],
t * X[3 * p2 + 2] + (1 - t) * X[3 * q2 + 2]);
// velocities
va.set(
s * V[3 * p1] + (1 - s) * V[3 * q1],
s * V[3 * p1 + 1] + (1 - s) * V[3 * q1 + 1],
s * V[3 * p1 + 2] + (1 - s) * V[3 * q1 + 2]);
vb.set(
t * V[3 * p2] + (1 - t) * V[3 * q2],
t * V[3 * p2 + 1] + (1 - t) * V[3 * q2 + 1],
t * V[3 * p2 + 2] + (1 - t) * V[3 * q2 + 2]);
/*if the objects have do not have
a seperating velocity, apply the
local spring penalty */
if (xa.minus(xb).dot(va.minus(vb)) < 0) {
double[] local_penalty = springPenalty(xa, xb, col.getDistance());
// apply penalty to first edge
penalty[3 * p1] += s * local_penalty[0];
penalty[3 * p1 + 1] += s * local_penalty[1];
penalty[3 * p1 + 2] += s * local_penalty[2];
penalty[3 * q1] += (1 - s) * local_penalty[0];
penalty[3 * q1 + 1] += (1 - s) * local_penalty[1];
penalty[3 * q1 + 2] += (1 - s) * local_penalty[2];
// apply penalty to second edge
penalty[3 * p2] += t * local_penalty[3];
penalty[3 * p2 + 1] += t * local_penalty[4];
penalty[3 * p2 + 2] += t * local_penalty[5];
penalty[3 * q2] += (1 - t) * local_penalty[3];
penalty[3 * q2 + 1] += (1 - t) * local_penalty[4];
penalty[3 * q2 + 2] += (1 - t) * local_penalty[5];
}
}
}
return penalty;
}