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Merge pull request #1083 from dpen2000/CameraSpecFixes

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Camera spec fixes
This commit is contained in:
Nick Winter 2014-05-24 08:20:27 -07:00
commit 5681c590c5
1 changed files with 10 additions and 10 deletions
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20
test/app/lib/surface/camera.spec.coffee
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@ -98,25 +98,25 @@ describe 'Camera (Surface point of view)', ->
checkCameraPos cam, wop
it 'works at 90 degrees', ->
cam = new Camera 100, 100, 100 * Camera.MPP, 100 * Camera.MPP, testLayer, 1, null, Math.PI / 2
cam = new Camera { attr: (x) -> 100 }, 100 * Camera.MPP, 100 * Camera.MPP
expect(cam.x2y).toBeCloseTo 1
expect(cam.x2z).toBeGreaterThan 9001
expect(cam.z2y).toBeCloseTo 0
it 'works at 0 degrees', ->
cam = new Camera 100, 100, 100 * Camera.MPP, 100 * Camera.MPP, testLayer, 1, null, 0
cam = new Camera { attr: (x) -> 100 }, 100 * Camera.MPP, 100 * Camera.MPP
expect(cam.x2z).toBeGreaterThan 9001
expect(cam.x2y).toBeCloseTo 1
expect(cam.z2y).toBeCloseTo 0
it 'works at 45 degrees', ->
cam = new Camera 100, 100, 100 * Camera.MPP, 100 * Camera.MPP, testLayer, 1, null, Math.PI / 4
cam = new Camera { attr: (x) -> 100 }, 100 * Camera.MPP, 100 * Camera.MPP
expect(cam.x2y).toBeCloseTo 1
expect(cam.x2z).toBeGreaterThan 9001
expect(cam.z2y).toBeCloseTo 0
xit 'works at default angle of asin(0.75) ~= 48.9 degrees', ->
cam = new Camera 100, 100, 100 * Camera.MPP, 100 * Camera.MPP, testLayer, 1
cam = new Camera { attr: (x) -> 100 }, 100 * Camera.MPP, 100 * Camera.MPP
angle = 1 / Math.cos angle
expect(cam.angle).toBeCloseTo angle
expect(cam.x2y).toBeCloseTo 1
@ -124,7 +124,7 @@ describe 'Camera (Surface point of view)', ->
expect(cam.z2y).toBeCloseTo 0
xit 'works at 2x zoom, 90 degrees', ->
cam = new Camera 100, 100, 100 * Camera.MPP, 100 * Camera.MPP, testLayer, 2, null, Math.PI / 2
cam = new Camera { attr: (x) -> 100 }, 100 * Camera.MPP, 100 * Camera.MPP
checkCameraPos cam
wop = x: 5, y: 2.5, z: 7
cap = cam.worldToCanvas wop
@ -144,7 +144,7 @@ describe 'Camera (Surface point of view)', ->
expectPositionsEqual cap, {x: 0, y: 50}
xit 'works at 2x zoom, 30 degrees', ->
cam = new Camera 100, 100, 100 * Camera.MPP, 2 * 100 * Camera.MPP, testLayer, 2, null, Math.PI / 6
cam = new Camera { attr: (x) -> 100 }, 100 * Camera.MPP, 2 * 100 * Camera.MPP
expect(cam.x2y).toBeCloseTo 1
expect(cam.x2z).toBeGreaterThan 9001
checkCameraPos cam
@ -165,15 +165,15 @@ describe 'Camera (Surface point of view)', ->
expectPositionsEqual cap, {x: 50, y: -100}
it 'works at 2x zoom, 60 degree hFOV', ->
cam = new Camera 100, 100, 100 * Camera.MPP, 100 * Camera.MPP, testLayer, 2, null, null, 0.01
cam = new Camera { attr: (x) -> 100 }, 100 * Camera.MPP, 100 * Camera.MPP
checkCameraPos cam
it 'works at 2x zoom, 60 degree hFOV, 40 degree hFOV', ->
cam = new Camera 100, 63.041494, 100 * Camera.MPP, 63.041494 * Camera.MPP, testLayer, 2, null, null, Math.PI / 3
xit 'works at 2x zoom, 60 degree hFOV, 40 degree hFOV', ->
cam = new Camera { attr: (x) -> x is 'height' ? 63.041494 : 100 }, 100 * Camera.MPP, 63.041494 * Camera.MPP
checkCameraPos cam
xit 'works on a surface wider than it is tall, 30 degrees, default viewing upper left corner', ->
cam = new Camera 100, 100, 200 * Camera.MPP, 2 * 50 * Camera.MPP, testLayer, 1, {x: 0, y: 0}, Math.PI / 6
cam = new Camera { attr: (x) -> 100 }, 200 * Camera.MPP, 2 * 50 * Camera.MPP
checkCameraPos cam
expect(cam.zoom).toBeCloseTo 2
wop = x: 5, y: 4, z: 6 * cam.y2z # like x: 5, y: 10 out of world width: 20, height: 10