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Added Shape rotation tests

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This commit is contained in:
Thatcher Chamberlin 2020-12-07 20:52:46 -05:00
parent 10c94c739d
commit bc144b64c8
1 changed files with 38 additions and 17 deletions
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27
test/test_components.jl
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@ -1,18 +1,19 @@
using Plots, Test using Plots, Test
@testset "Shape Copy" begin @testset "Shapes" begin
@testset "Copy" begin
square = Shape([(0,0),(1,0),(1,1),(0,1)]) square = Shape([(0,0),(1,0),(1,1),(0,1)])
square2 = Shape(square) square2 = Shape(square)
@test square2.x == square.x @test square2.x == square.x
@test square2.y == square.y @test square2.y == square.y
end end
@testset "Shape Center" begin @testset "Center" begin
square = Shape([(0,0),(1,0),(1,1),(0,1)]) square = Shape([(0,0),(1,0),(1,1),(0,1)])
@test Plots.center(square) == (0.5,0.5) @test Plots.center(square) == (0.5,0.5)
end end
@testset "Shape Translate" begin @testset "Translate" begin
square = Shape([(0,0),(1,0),(1,1),(0,1)]) square = Shape([(0,0),(1,0),(1,1),(0,1)])
squareUp = Shape([(0,1),(1,1),(1,2),(0,2)]) squareUp = Shape([(0,1),(1,1),(1,2),(0,2)])
squareUpRight = Shape([(1,1),(2,1),(2,2),(1,2)]) squareUpRight = Shape([(1,1),(2,1),(2,2),(1,2)])
@ -23,6 +24,26 @@ end
@test Plots.center(translate!(square,1)) == (1.5,1.5) @test Plots.center(translate!(square,1)) == (1.5,1.5)
end end
@testset "Rotate" begin
# 2 radians rotation matrix
R2 = [cos(2) sin(2); -sin(2) cos(2)]
coords = [0 0; 1 0; 1 1; 0 1]'
coordsRotated2 = R2*(coords.-0.5).+0.5
square = Shape([(0,0),(1,0),(1,1),(0,1)])
# make a new, rotated square
square2 = rotate(square, -2)
@test square2.x ≈ coordsRotated2[1,:]
@test square2.y ≈ coordsRotated2[2,:]
# unrotate the new square in place
rotate!(square2, 2)
@test square2.x ≈ coords[1,:]
@test square2.y ≈ coords[2,:]
end
end
@testset "Brush" begin @testset "Brush" begin
@testset "Colors" begin @testset "Colors" begin
baseline = brush(1, RGB(0,0,0)) baseline = brush(1, RGB(0,0,0))