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/**
* @author simonThiele / https://github.com/simonThiele
*/
module( "OrthographicCamera" );
test( "updateProjectionMatrix", function() {
var left = -1, right = 1, top = 1, bottom = -1, near = 1, far = 3;
cam = new THREE.OrthographicCamera(left, right, top, bottom, near, far);
// updateProjectionMatrix is called in contructor
var pMatrix = cam.projectionMatrix.elements;
// orthographic projection is given my the 4x4 Matrix
// 2/r-l 0 0 -(l+r/r-l)
// 0 2/t-b 0 -(t+b/t-b)
// 0 0 -2/f-n -(f+n/f-n)
// 0 0 0 1
ok( pMatrix[0] === 2 / ( right - left ), "m[0,0] === 2 / (r - l)" );
ok( pMatrix[5] === 2 / ( top - bottom ), "m[1,1] === 2 / (t - b)" );
ok( pMatrix[10] === -2 / ( far - near ), "m[2,2] === -2 / (f - n)" );
ok( pMatrix[12] === - ( ( right + left ) / ( right - left ) ), "m[3,0] === -(r+l/r-l)" );
ok( pMatrix[13] === - ( ( top + bottom ) / ( top - bottom ) ), "m[3,1] === -(t+b/b-t)" );
ok( pMatrix[14] === - ( ( far + near ) / ( far - near ) ), "m[3,2] === -(f+n/f-n)" );
});
test( "clone", function() {
var left = -1.5, right = 1.5, top = 1, bottom = -1, near = 0.1, far = 42;
var cam = new THREE.OrthographicCamera(left, right, top, bottom, near, far);
var clonedCam = cam.clone();
ok( cam.left === clonedCam.left , "left is equal" );
ok( cam.right === clonedCam.right , "right is equal" );
ok( cam.top === clonedCam.top , "top is equal" );
ok( cam.bottom === clonedCam.bottom , "bottom is equal" );
ok( cam.near === clonedCam.near , "near is equal" );
ok( cam.far === clonedCam.far , "far is equal" );
ok( cam.zoom === clonedCam.zoom , "zoom is equal" );
});
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