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How do I make an actor that can swing with webs and stick to walls.

I think, you have to check the collision, whether what is the other actor in the same position with the spider actor. If you want check the collisions yourself in GE scripts, I recommend you this useful code to 2d collison detection:
if (rect1.x < rect2.x + rect2.width &&
rect1.x + rect1.width > rect2.x &&
rect1.y < rect2.y + rect2.height &&
rect1.height + rect1.y > rect2.y) {
// collision detected!
}
from here: https://developer.mozilla.org/en-US/docs/Games/Techniques/2D_collision_detection
You have to replace rect1 and rect2 with the names of your actors in your game.

Thanks for replying but I'm having a tough time trying to understand the code.

The 2d collision detection code? It is not requires the understanding, just replace rect1 and rect2 with the names of your actors in your game.
For example spider instead of rect1s and wall instead of rect2s. The x, y, width and height are build in variables in GE too, so you can use these. These variables represents the dimensions of sprites of your game actors.

ITomi wrote:The 2d collision detection code? It is not requires the understanding, just replace rect1 and rect2 with the names of your actors in your game.
For example spider instead of rect1s and wall instead of rect2s. The x, y, width and height are build in variables in GE too, so you can use these. These variables represents the dimensions of sprites of your game actors.

I want to understand the code so that i can be a better programmer, thanks any way.

Also, why don't you join us in the ''other'' forum ( under the topics: count to 1000 and last to post wins ).