# How do I 3d sight

Get help using Construct 2

### » Sun Nov 08, 2015 1:33 pm

so i have a sprite, left /right rotates him.

If an object is within 270-90 degrees i want to spawn a wall image.

this wall image needs to move left from center if the player rotates left and vice versa

i was trying to set the angle to a variable, then
if it is between 0-90 = 225+(225/sin(angle)
if it is between 270-360 = 225-(225/sin(angle)

(i use sin as at 90deg sin =0, and 0deg=1 so it will get closer to mid 225)

it sort of works but not in the right places, this makes me think i have bad maths, but it adds up(i also use abs for the - angle)

I was experimenting with los and opacity to help define if a sprite should be created.

the objective is to have a rotating head that views scenery based from a 2d instance.

any ideas will surely help anyone trying to make 3d
I will adjust size and height of object compared to distance later. i can upload a capx but its just a moving line in the wrong place atm
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