Can you draw collision_line?

[Evanski]

Like I want to have an enemy point a beam at you (collision_line) and then fire a bullet or something
but like how can I draw the collision_line as an actual line?

 

[IndianaBones]

Just use draw_line() function in your draw event using the same (x1, y1, x2, y2) variables you used in your collision_line() function.

 

[Yaazarai]

@IndianaBones it doesn't work that way. He's asking how to draw the line from x1,y1 to the point of collision x3,y3. For example you might have a line x1,y1 to x2,y2 however the point of collision is x3,y3.

The simplest solution would be to get the x,y position of the instance colliding with the line then draw the line from x1,y1 to the instance's position:

var inst = collision_line(x1,y1,x2,y3,Object,false,false)
draw_line(x1, y1, inst.x, inst.y);

However this doesn't give you the exact point of collision, just the position of the object being collided with so the actual collision line will be a bit off. This should be a good start though.

 

[YellowAfterlife]

Conveniently, I once made a blog post about this exact subject.