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add tests for orthographic camera

simonThiele 10 years ago
parent
commit
aaa0df0935
2 changed files with 44 additions and 2 deletions
  1. 41 0
      test/unit/cameras/OrthographicCamera.js
  2. 3 2
      test/unit/unittests_three.html

+ 41 - 0
test/unit/cameras/OrthographicCamera.js

@@ -0,0 +1,41 @@
+/**
+ * @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" );
+});

+ 3 - 2
test/unit/unittests_three.html

@@ -18,9 +18,10 @@
 
 
   <!-- add class-based unit tests below -->
   <!-- add class-based unit tests below -->
 
 
-  <script src="core/Object3D.js"></script>
+  <script src="cameras/Camera.js"></script>
+  <script src="cameras/OrthographicCamera.js"></script>
 
 
-  <script src="Cameras/Camera.js"></script>
+  <script src="core/Object3D.js"></script>
 
 
   <script src="math/Constants.js"></script>
   <script src="math/Constants.js"></script>
   <script src="math/Box2.js"></script>
   <script src="math/Box2.js"></script>