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bitJericho

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Joined: 9th Oct 2002

Location: United States

Posted: 4th Nov 2013 05:20 Edited at: 4th Nov 2013 05:41

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Is there a way to return the collision force of two objects colliding?

[edit] Well I was going to bed but I just couldn't stop until I had it. This is the closest I could come up with, which actually works really well.

+ Code Snippet

        oldvelX# = velX#
        velX# = GetSpritePhysicsVelocityX( 3 )
        oldvelY# = velY#
        velY# = GetSpritePhysicsVelocityY( 3 )

        gforceX# = velX# - oldvelX#
        gforceY# = velY# - oldvelY#
        old_gforce# = gforce#
        gforce# = Sqrt((gforceY#*gforceY#)+(gforceX#*gforceX#)) `combine x and y to get total velocity
        gforce_change# = gforce# - old_gforce# `this is the main one, a large change is a big hit, a small change is a small hit

        printc("Gforce: ")
        print(gforce#)
        printc("Gforce Change: ")
        print(gforce_change#)

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Markus

Valued Member

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Joined: 10th Apr 2004

Location: Germany

Posted: 4th Nov 2013 12:00

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emm, its defined here :
SetSpritePhysicsRestitution( iSpriteIndex, restitution )
+
SetSpritePhysicsMass

i don't know any commands in agk but it seems you have all values for calculating it.

https://en.wikipedia.org/wiki/Acceleration
https://en.wikipedia.org/wiki/Collision

AGK 108 B19 : Windows 8.1 Pro 64 Bit : AMD Radeon HD 6670

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AppGameKit Classic Chat / collision force tier 1