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 tank tutorial

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rudydbooty

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Posts : 15
Join date : 2008-04-11
Location : candy mountain

Character sheet
RPG: 10

PostSubject: tank tutorial   Sat Apr 12, 2008 6:42 am

this is mostly for gm pro but it will work for gm 7


First, I will show you how to make the rotation. First click “sprite”, then type this 32x 32y. This is very important.

Then click “add event>step>step”
And type the following code

Code: if speed>5 speed=5
friction=0.3


So what does this mean?
I'll tell you:

Code:
if speed>5 speed=5

This means, that if the speed is larger than 5, the speed is 5.
It basically sets the max speed for the tank or car.
Code:
friction=0.3

This makes the tank or car glide a little bit when you have stopped driving.
The higher value you have, the shorter it will glide.

Ok now click “add event>keyboard>up”
And put some code into it.

Code: motion_add(image_angle,+0.4)

Ok now click “add event>keyboard>left” Now, lets put some more code in.


Code: direction+=5
image_angle+=5


Ok, now, click
“add event>keyboard>right” Now, lets put some more code in.

Code: direction-=5
image_angle-=5


And if you want them to back up then click “add event>keyboard>down”

Code: motion_add(image_angle,-0.4)


Ok, now, we have got that covered. If you want to make a tank or car, then name your object:”tank”. Now make a new object and name that “turret” and type 32x 15y
Now click “add event>step>step”
And then put some code in it.

Code: image_angle=point_direction(x,y,mouse_x,mouse_y)
x=tank.x
y=tank.


And there you go. Now, if you want to make him shoot a bullet, then create a new object and name it “bullet” and click “add event>create” and add some code.

Code: direction=point_direction(x,y,mouse_x,mouse_y)
Code: image_angle=direction
speed=10


If the bullet goes too fast then just change the 10 into what ever number you want (the higher the faster).
Now, click add
“add event>other>outside” room and put some more Code in it.

Code: instance_destroy()

this took me some time but i got soo you can do it too.
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