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