Hello, I'm new in programming in greenfoot and I've encountered a problem when coding the collision method. When meeting an obstacle, my actor only phases through the upper part of the obstacle. These are my methods used to detect obstacles, respectively if the actor is on the ground:
public void detectObstacole()
{
int dx = 0;
int dy = 0;
// checking for collision on the right side
while (getOneObjectAtOffset(getImage().getWidth() / 2 + 1 + dx, 0, Platobstacole.class) != null)
{
dx--;
}
// checking for collision on the left side
while (getOneObjectAtOffset(-getImage().getWidth() / 2 - 1 + dx, 0, Platobstacole.class) != null)
{
dx++;
}
// checking for collision on the top side
while (getOneObjectAtOffset(0, -getImage().getHeight() / 2 - 1 + dy, Platobstacole.class) != null)
{
dy++;
}
// adjusting the position
setLocation(getX() + dx, getY() + dy);
}
public boolean pePamant() { //checking whether the actor is on ground
int x = getX();
int y = getY();
// checking for collision at current position
if (isTouching(Platforme.class))
{
return true;
}
setLocation(x, y + vitezaVerticala);// checking for collision at next position
boolean onGround = false;
if (isTouching(Platforme.class)) {
onGround = true;
}
setLocation(x, y); // returns to former position
return onGround;
}
As a note, the "Platforme" (which only includes platforms) class is a subclass of "Platobstacole" (which includes both platforms and obstacles).
