add tests for perspective camera

test/unit/cameras/PerspectiveCamera.js

@@ -0,0 +1,56 @@
+/**
+ * @author simonThiele / https://github.com/simonThiele
+ */
+
+module( "PerspectiveCamera" );
+
+test( "updateProjectionMatrix", function() {
+	var near = 1,
+			far = 3,
+			bottom = -1,
+			top = 1,
+			aspect = 16 / 9,
+			left = -top * aspect,
+			right = -bottom * aspect,
+			fov = 90;
+
+	var cam = new THREE.PerspectiveCamera( fov, aspect, near, far );
+
+	// updateProjectionMatrix is called in contructor
+	var m = cam.projectionMatrix.elements;
+
+	// perspective projection is given my the 4x4 Matrix
+	// 2n/r-l		0			l+r/r-l				 0
+	//   0		2n/t-b	t+b/t-b				 0
+	//   0			0		-(f+n/f-n)	-(2fn/f-n)
+	//   0			0				0						 1
+
+	ok( m[0] === ( 2 * near ) / ( right - left ), "m[0,0] === 2n/r-l" );
+	ok( m[5] === ( 2 * near ) / ( top - bottom ), "m[1,1] === 2n/r-l" );
+	ok( m[8] === ( right + left ) / ( right - left ), "m[2,0] === 2n/r-l" );
+	ok( m[9] === ( top + bottom ) / ( top - bottom ), "m[2,1] === 2n/r-l" );
+	ok( m[10] === - ( far + near ) / ( far - near ), "m[2,2] === 2n/r-l" );
+	ok( m[14] === - ( 2 * near * far ) / ( far - near ), "m[3,2] === 2n/r-l" );
+});
+
+test( "clone", function() {
+	var near = 1,
+			far = 3,
+			bottom = -1,
+			top = 1,
+			aspect = 16 / 9,
+			left = -top * aspect,
+			right = -bottom * aspect,
+			fov = 90;
+
+	var cam = new THREE.PerspectiveCamera( fov, aspect, near, far );
+
+	var clonedCam = cam.clone();
+
+	ok( cam.fov === clonedCam.fov , "fov is equal" );
+	ok( cam.aspect === clonedCam.aspect , "aspect 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" );
+	ok( cam.projectionMatrix.equals(clonedCam.projectionMatrix) , "projectionMatrix is equal" );
+});

test/unit/unittests_three.html

@@ -20,6 +20,7 @@
 
   <script src="cameras/Camera.js"></script>
   <script src="cameras/OrthographicCamera.js"></script>
+  <script src="cameras/PerspectiveCamera.js"></script>
 
   <script src="core/Object3D.js"></script>