#159 Format code in TestMatrix_Unproject
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@ -83,31 +83,39 @@ func TestResizeRect(t *testing.T) {
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func TestMatrix_Unproject(t *testing.T) {
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const delta = 4e-16
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t.Run("for rotated matrix", func(t *testing.T) {
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matrix := pixel.IM.Rotated(pixel.ZV, math.Pi/2)
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matrix := pixel.IM.
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Rotated(pixel.ZV, math.Pi/2)
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unprojected := matrix.Unproject(pixel.V(0, 1))
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assert.InDelta(t, unprojected.X, 1, delta)
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assert.InDelta(t, unprojected.Y, 0, delta)
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})
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t.Run("for moved matrix", func(t *testing.T) {
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matrix := pixel.IM.Moved(pixel.V(5, 5))
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matrix := pixel.IM.
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Moved(pixel.V(5, 5))
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unprojected := matrix.Unproject(pixel.V(0, 0))
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assert.InDelta(t, unprojected.X, -5, delta)
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assert.InDelta(t, unprojected.Y, -5, delta)
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})
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t.Run("for scaled matrix", func(t *testing.T) {
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matrix := pixel.IM.Scaled(pixel.ZV, 2)
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matrix := pixel.IM.
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Scaled(pixel.ZV, 2)
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unprojected := matrix.Unproject(pixel.V(4, 4))
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assert.InDelta(t, unprojected.X, 2, delta)
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assert.InDelta(t, unprojected.Y, 2, delta)
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})
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t.Run("for scaled, rotated and moved matrix", func(t *testing.T) {
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matrix := pixel.IM.Scaled(pixel.ZV, 2).Rotated(pixel.ZV, math.Pi/2).Moved(pixel.V(2, 2))
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matrix := pixel.IM.
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Scaled(pixel.ZV, 2).
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Rotated(pixel.ZV, math.Pi/2).
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Moved(pixel.V(2, 2))
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unprojected := matrix.Unproject(pixel.V(-2, 6))
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assert.InDelta(t, unprojected.X, 2, delta)
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assert.InDelta(t, unprojected.Y, 2, delta)
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})
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t.Run("for rotated and moved matrix", func(t *testing.T) {
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matrix := pixel.IM.Rotated(pixel.ZV, math.Pi/2).Moved(pixel.V(1, 1))
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matrix := pixel.IM.
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Rotated(pixel.ZV, math.Pi/2).
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Moved(pixel.V(1, 1))
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unprojected := matrix.Unproject(pixel.V(1, 2))
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assert.InDelta(t, unprojected.X, 1, delta)
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assert.InDelta(t, unprojected.Y, 0, delta)
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