generic bouncing code

This code has been declared by its author to be Public Domain code.

generic bouncing code by DarkEagle (Posted 24 years ago)
set up collisions and then use this code with your entity :)
For i = 1 To CountCollisions(entity) ; Calculate bounce: ; Get the normal of the surface collided with. Nx# = CollisionNX#(entity, i) Ny# = CollisionNY#(entity, i) Nz# = CollisionNZ#(entity, i) ; Compute the dot product of the ball's motion vector and the normal of the surface collided with. VdotN# = xvel#Nx# + yvel#Ny# + zvel#Nz# ; Calculate the normal force. NFx# = -2.0 Nx# * VdotN# NFy# = -2.0 * Ny# * VdotN# NFz# = -2.0 * Nz# * VdotN# ; Add the normal force to the motion vector. xvel#=(xvel# + NFx#)bounce# yvel#=(yvel# + NFy#)bounce# zvel#=(zvel# + NFz#)*bounce# Next

generic bouncing code by DarkEagle

(Posted 24 years ago)

set up collisions and then use this code with your entity :)

For i = 1 To CountCollisions(entity)
	; Calculate bounce: 

	; Get the normal of the surface collided with. 
	Nx# = CollisionNX#(entity, i) 
	Ny# = CollisionNY#(entity, i) 
	Nz# = CollisionNZ#(entity, i) 
	
	; Compute the dot product of the ball's motion vector and the normal of the surface collided with. 
	VdotN# = xvel#*Nx# + yvel#*Ny# + zvel#*Nz# 
	
	; Calculate the normal force. 
	NFx# = -2.0 * Nx# * VdotN# 
	NFy# = -2.0 * Ny# * VdotN# 
	NFz# = -2.0 * Nz# * VdotN# 
	
	; Add the normal force to the motion vector. 
	xvel#=(xvel# + NFx#)*bounce#
	yvel#=(yvel# + NFy#)*bounce#
	zvel#=(zvel# + NFz#)*bounce#
Next

Comments

Jams

(Posted 21 years ago)

Fantastic :)

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