Automatic generation produced by ISE Eiffel

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class
	EG_QUAD_TREE

General
	cluster: physics
	description: 
		"In a EG_QUAD_TREE a region is splited into fore equaly sized parts:
		
		nw|ne
		--+--
		sw|se
		
		If the the tree has no childrens, meaning it is a leaf, then particle is element
		of region otherwise the particles in the childrens are element of the childrens
		regions."
	create: make

Ancestors
	ANY

Queries
	center_of_mass_particle: detachable EG_PARTICLE
	childe_ne: detachable EG_QUAD_TREE
	childe_nw: detachable EG_QUAD_TREE
	childe_se: detachable EG_QUAD_TREE
	childe_sw: detachable EG_QUAD_TREE
	has (a_particle: EG_PARTICLE): BOOLEAN
	is_leaf: BOOLEAN
	particle: detachable EG_PARTICLE
	region: EV_RECTANGLE
	valid_tree: BOOLEAN

Commands
	build_center_of_mass
	insert (a_particle: [attached like particle] attached EG_PARTICLE)

Constraints
	leaf has particle inner nodes do not
	is leaf implies has particle



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-- Generated by Eiffel Studio --
For more details: eiffel.org