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v/vlib/math/vec/vec4_test.v

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import math.vec
fn test_vec4_int() {
mut v1 := vec.vec4(0, 0, 0, 0)
mut v2 := vec.vec4(0, 0, 0, 0)
assert v1 == v2
v1.one()
v2.one()
assert v1.x == 1
assert v1.y == 1
assert v1.z == 1
assert v1.w == 1
assert v1 == v2
v3 := v1 + v2
assert typeof(v3).name == 'vec.Vec4[int]'
assert v3.x == 2
assert v3.y == 2
assert v3.z == 2
assert v3.w == 2
}
fn test_vec4_f32() {
mut v1 := vec.vec4(f32(0), 0, 0, 0)
mut v2 := vec.vec4(f32(0), 0, 0, 0)
assert v1 == v2
v1.one()
v2.one()
assert v1.x == 1
assert v1.y == 1
assert v1.z == 1
assert v1.w == 1
assert v1 == v2
v3 := v1 + v2
assert typeof(v3).name == 'vec.Vec4[f32]'
assert v3.x == 2
assert v3.y == 2
assert v3.z == 2
assert v3.w == 2
}
fn test_vec4_f64() {
mut v1 := vec.vec4(0.0, 0, 0, 0)
mut v2 := vec.vec4(0.0, 0, 0, 0)
assert v1 == v2
v1.one()
v2.one()
assert v1.x == 1
assert v1.y == 1
assert v1.z == 1
assert v1.w == 1
assert v1 == v2
v3 := v1 + v2
assert typeof(v3).name == 'vec.Vec4[f64]'
assert v3.x == 2
assert v3.y == 2
assert v3.z == 2
assert v3.w == 2
}
fn test_vec4_f64_utils_1() {
mut v1 := vec.vec4(2.0, 3.0, 1.5, 3.0)
mut v2 := vec.vec4(1.0, 4.0, 1.5, 3.0)
mut zv := vec.vec4(5.0, 5.0, 5.0, 5.0)
zv.zero()
v3 := v1 + v2
assert v3.x == 3
assert v3.y == 7
assert v3.z == 3
assert v3.w == 6
assert v3.unit().magnitude() == 1
mut ctv1 := vec.vec4(0.000001, 0.000001, 0.000001, 0.000001)
ctv1.clean_tolerance(0.00001)
assert ctv1 == zv
}
fn test_vec4_f64_utils_2() {
mut v1 := vec.vec4(4.0, 4.0, 8.0, 2.0)
assert v1.unit().magnitude() == 1
v2 := v1.mul_scalar(0.5)
assert v2.x == 2
assert v2.y == 2
assert v2.z == 4
assert v2.w == 1
assert v2.unit().magnitude() == 1
invv2 := v2.inv()
assert invv2.x == 0.5
assert invv2.y == 0.5
assert invv2.z == 0.25
assert invv2.w == 1.0
}