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v/vlib/glm/glm_test.v
2020-05-10 16:49:29 +02:00

94 lines
2.4 KiB
V

// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
// might need special case for this
// import gl
import glm
fn cmp(a, b f32) bool {
return int(a * 1000) == int(b * 1000)
}
fn test_ortho() {
projection := glm.ortho(0, 200, 400, 0)
$if debug {
println(projection.data[0])
}
assert cmp(projection.data[0], 0.01)
assert cmp(projection.data[1], 0.000000)
assert cmp(projection.data[2], 0.000000)
assert cmp(projection.data[3], 0.000000)
assert cmp(projection.data[4], 0.000000)
assert cmp(projection.data[5], - 0.005000)
assert cmp(projection.data[6], 0.000000)
assert cmp(projection.data[7], 0.000000)
assert cmp(projection.data[8], 0.000000)
assert cmp(projection.data[9], 0.000000)
assert cmp(projection.data[10], 1.000000)
assert cmp(projection.data[11], 0.000000)
assert cmp(projection.data[12], - 1.000000)
assert cmp(projection.data[13], 1.000000)
assert cmp(projection.data[14], 0.000000)
assert cmp(projection.data[15], 1.000000)
// f := gg.ortho(1,2,3,4)
/*
// for debugging broken tetris in gg.o
# projection.data[0]=0.010000;
# projection.data[1]=0.000000;
# projection.data[2]=0.000000;
# projection.data[3]=0.000000;
# projection.data[4]=0.000000;
# projection.data[5]=-0.005000;
# projection.data[6]=0.000000;
# projection.data[7]=0.000000;
# projection.data[8]=0.000000;
# projection.data[9]=0.000000;
# projection.data[10]=1.000000;
# projection.data[11]=0.000000;
# projection.data[12]=-1.000000;
# projection.data[13]=1.000000;
# projection.data[14]=0.000000;
# projection.data[15]=1.000000;
*/
}
fn test_rotate() {
$if debug {
println('rotate')
}
mut m := glm.identity()
m = glm.scale(m, glm.vec3(2, 2, 2))
$if debug {
println(m)
}
m = glm.rotate_z(m, 1)
$if debug {
println(m)
}
}
fn test_translate() {
mut m := glm.identity()
m = glm.translate(m, glm.vec3(0, 0, - 0.5))
$if debug {
println(m)
}
// TODO
// mat4x4((1.000000, 0.000000, 0.000000, 0.000000),
// (0.000000, 1.000000, 0.000000, 0.000000),
// (0.000000, 0.000000, 1.000000, 0.000000),
// (0.000000, 0.000000, -0.500000, 1.000000))
}
fn test_mult() {
//TODO improve test
mut a := glm.identity()
mut b := glm.identity()
mut c := glm.identity()
a = glm.mult(a, b)
for i in 0..15 {
assert a.data[i] == c.data[i]
}
}