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var assert = require("assert")
var vec = require("../public/assets/javascripts/rectangles/models/vec2.js")
var Rect = require("../public/assets/javascripts/rectangles/models/rect.js")
var FRONT = 0x1, BACK = 0x2, LEFT = 0x4, RIGHT = 0x8, FLOOR = 0x10, CEILING = 0x20
var ALL = FRONT | BACK | LEFT | RIGHT
describe('rect', function(){
describe('#intersects()', function(){
var rect = new Rect(0, 0, 10, 10)
it('intersects itself', function(){
assert.equal(true, rect.intersects( new Rect(0, 0, 10, 10) ));
})
it('intersects more wide', function(){
assert.equal(true, rect.intersects( new Rect(0, 0, 5, 10) ));
})
it('intersects less wide', function(){
assert.equal(true, rect.intersects( new Rect(0, 0, 15, 10) ));
})
it('intersects more tall', function(){
assert.equal(true, rect.intersects( new Rect(0, 0, 10, 5) ));
})
it('intersects less tall', function(){
assert.equal(true, rect.intersects( new Rect(0, 0, 10, 15) ));
})
it('intersects if right-adjacent', function(){
assert.equal(true, rect.intersects( new Rect(10, 0, 20, 10) ));
})
it('intersects if bottom-adjacent', function(){
assert.equal(true, rect.intersects( new Rect(0, 10, 10, 20) ));
})
it('does not intersect if to the right', function(){
assert.equal(false, rect.intersects( new Rect(20, 0, 40, 10) ));
})
it('does not intersect if beneath', function(){
assert.equal(false, rect.intersects( new Rect(0, 20, 10, 40) ));
})
/*
it('does not intersect if corners intersect', function(){
assert.equal(false, rect.intersects( new Rect(10, 10, 20, 20) ));
})
*/
})
var rect = new Rect( new vec(1,4), new vec(1,4) )
var east_in = new Rect( new vec(2,3), new vec(1,4) )
var east_edge = new Rect( new vec(2,4), new vec(1,4) )
var east = new Rect( new vec(2,5), new vec(1,4) )
var south_in = new Rect( new vec(1,4), new vec(2,3) )
var south_edge = new Rect( new vec(1,4), new vec(2,4) )
var south = new Rect( new vec(1,4), new vec(2,5) )
var corner = new Rect( new vec(3,5), new vec(3,5) )
function sides (s) {
return s.reduce(function(prev, curr){
return prev | curr.sides
}, 0)
}
/*
console.log(s0.map(function(r){ return r.toString() }))
console.log(s1.map(function(r){ return r.toString() }))
*/
describe('#split(rect, east)', function(){
var s0 = rect.split(east)
var s1 = east.split(rect)
it('splits on all 4 sides', function(){
assert.equal(ALL, sides(s0) | sides(s1))
})
it('rect is front/back/left', function(){
assert.equal(FRONT | BACK | LEFT, sides(s0))
})
it('east is front/back/right', function(){
assert.equal(FRONT | BACK | RIGHT, sides(s1))
})
})
describe('#split(rect, east_in)', function(){
var s0 = rect.split(east_in)
var s1 = east_in.split(rect)
it('splits on all 4 sides', function(){
assert.equal(ALL, sides(s0) | sides(s1))
})
it('rect is has all sides', function(){
assert.equal(ALL, sides(s0))
})
it('east_in only has front/back', function(){
assert.equal(FRONT | BACK, sides(s1))
})
})
describe('#split(rect, east_edge)', function(){
var s0 = rect.split(east_edge)
var s1 = east_edge.split(rect)
it('has no degenerate vectors', function(){
s0.forEach(function(r){
assert.notEqual(0, r.x.magnitude())
assert.notEqual(0, r.y.magnitude())
})
s1.forEach(function(r){
assert.notEqual(0, r.x.magnitude())
assert.notEqual(0, r.y.magnitude())
})
})
it('splits on all 4 sides', function(){
assert.equal(ALL, sides(s0) | sides(s1))
})
it('rect is front/back/left', function(){
assert.equal(ALL, sides(s0))
})
it('east is front/back/right', function(){
assert.equal(FRONT | BACK | RIGHT, sides(s1))
})
})
describe('#split(rect, south)', function(){
var s0 = rect.split(south)
var s1 = south.split(rect)
it('splits on all 4 sides', function(){
assert.equal(ALL, sides(s0) | sides(s1))
})
it('rect is front/left/right', function(){
assert.equal(FRONT | LEFT | RIGHT, sides(s0))
})
it('south is back/left/right', function(){
assert.equal(BACK | LEFT | RIGHT, sides(s1))
})
})
describe('#split(rect, south_in)', function(){
var s0 = rect.split(south_in)
var s1 = south_in.split(rect)
it('splits on all 4 sides', function(){
assert.equal(ALL, sides(s0) | sides(s1))
})
it('rect is has all sides', function(){
assert.equal(ALL, sides(s0))
})
it('south_in only has left/right', function(){
assert.equal(LEFT | RIGHT, sides(s1))
})
})
describe('#split(rect, south_edge)', function(){
var s0 = rect.split(south_edge)
var s1 = south_edge.split(rect)
it('has no degenerate vectors', function(){
s0.forEach(function(r){
assert.notEqual(0, r.x.magnitude())
assert.notEqual(0, r.y.magnitude())
})
s1.forEach(function(r){
assert.notEqual(0, r.x.magnitude())
assert.notEqual(0, r.y.magnitude())
})
})
it('splits on all 4 sides', function(){
assert.equal(ALL, sides(s0) | sides(s1))
})
it('rect has all sides', function(){
assert.equal(ALL, sides(s0))
})
it('south is back/left/right', function(){
assert.equal(BACK | LEFT | RIGHT, sides(s1))
})
})
describe('#split(rect, corner)', function(){
var s0 = rect.split(corner)
var s1 = corner.split(rect)
it('rect splits on all 4 sides', function(){
assert.equal(ALL, sides(s0))
})
it('corner splits on all 4 sides', function(){
assert.equal(ALL, sides(s1))
})
var rect_map = {}
var corner_map = {}
var rect_state = s0.forEach(function(r){
rect_map[r.sides] = rect_map[r.sides] || []
rect_map[r.sides].push(r)
})
var corner_state = s1.forEach(function(r){
corner_map[r.sides] = corner_map[r.sides] || []
corner_map[r.sides].push(r)
})
it('rect contains a rect with no sides', function(){
assert.equal(1, rect_map[0].length)
})
it('corner contains a rect with no sides', function(){
assert.equal(1, corner_map[0].length)
})
it('rect and corner overlap', function(){
assert.equal(String(rect_map[0][0]), String(corner_map[0][0]))
})
})
})
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