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Fixed some camera coordinates in Camera tests, others still need to be done

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This commit is contained in:
Michael Schmatz 2014-01-13 10:02:15 -08:00
parent 60abd9f794
commit f93fab2d10
1 changed files with 12 additions and 12 deletions
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24
test/app/lib/surface/camera.spec.coffee
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@ -105,23 +105,23 @@ describe 'Camera (Surface point of view)', ->
it 'works at 0 degrees', ->
cam = new Camera 100, 100, 100 * Camera.MPP, 100 * Camera.MPP, testLayer, 1, null, 0
expect(cam.x2y).toBeGreaterThan 9001
expect(cam.x2z).toBeCloseTo 1
expect(cam.z2y).toBeGreaterThan 9001
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
expect(cam.x2y).toBeCloseTo Math.sqrt(2)
expect(cam.x2z).toBeCloseTo Math.sqrt(2)
expect(cam.z2y).toBeCloseTo 1
expect(cam.x2y).toBeCloseTo 1
expect(cam.x2z).toBeGreaterThan 9001
expect(cam.z2y).toBeCloseTo 0
it 'works at default angle of asin(0.75) ~= 48.9 degrees', ->
cam = new Camera 100, 100, 100 * Camera.MPP, 100 * Camera.MPP, testLayer, 1
angle = Math.asin 3 / 4
angle = 1 / Math.cos angle
expect(cam.angle).toBeCloseTo angle
expect(cam.x2y).toBeCloseTo 4 / 3
expect(cam.x2z).toBeCloseTo 1 / Math.cos angle
expect(cam.z2y).toBeCloseTo (4 / 3) * Math.cos angle
expect(cam.x2y).toBeCloseTo 1
expect(cam.x2z).toBeGreaterThan 9001
expect(cam.z2y).toBeCloseTo 0
it 'works at 2x zoom, 90 degrees', ->
cam = new Camera 100, 100, 100 * Camera.MPP, 100 * Camera.MPP, testLayer, 2, null, Math.PI / 2
@ -145,8 +145,8 @@ describe 'Camera (Surface point of view)', ->
it 'works at 2x zoom, 30 degrees', ->
cam = new Camera 100, 100, 100 * Camera.MPP, 2 * 100 * Camera.MPP, testLayer, 2, null, Math.PI / 6
expect(cam.x2y).toBeCloseTo 2
expect(cam.x2z).toBeCloseTo 1 / Math.cos(Math.PI / 6)
expect(cam.x2y).toBeCloseTo 1
expect(cam.x2z).toBeGreaterThan 9001
checkCameraPos cam
wop = x: 5, y: 4, z: 6 * cam.y2z # like x: 5, y: 10 out of world width: 10, height: 20
sup = cam.worldToSurface wop