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update to latest zig version

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
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Stephen Gutekanst 2024-12-30 20:16:22 -07:00 • committed by Emi Gutekanst
parent ccd79dd1ef
commit f5512d1750
1 changed files with 60 additions and 50 deletions
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110
src/math/mat.zig
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@ -1013,83 +1013,93 @@ test "Mat4x4_eqlApprox_ident" {
} }
test "projection2D_xy_centered" { test "projection2D_xy_centered" {
const v = .{ const left = -400;
.left = -400, const right = 400;
.right = 400, const bottom = -200;
.bottom = -200, const top = 200;
.top = 200, const near = 0;
.near = 0, const far = 100;
.far = 100, const m = math.Mat4x4.projection2D(.{
}; .left = left,
const m = math.Mat4x4.projection2D(v); .right = right,
.bottom = bottom,
.top = top,
.near = near,
.far = far,
});
// Calculate some reference points // Calculate some reference points
const width = v.right - v.left; const width = right - left;
const height = v.top - v.bottom; const height = top - bottom;
const width_mid = v.left + (width / 2.0); const width_mid = left + (width / 2.0);
const height_mid = v.bottom + (height / 2.0); const height_mid = bottom + (height / 2.0);
try testing.expect(f32, 800).eql(width); try testing.expect(f32, 800).eql(width);
try testing.expect(f32, 400).eql(height); try testing.expect(f32, 400).eql(height);
try testing.expect(f32, 0).eql(width_mid); try testing.expect(f32, 0).eql(width_mid);
try testing.expect(f32, 0).eql(height_mid); try testing.expect(f32, 0).eql(height_mid);
// Probe some points on the X axis from beyond the left face, all the way to beyond the right face. // Probe some points on the X axis from beyond the left face, all the way to beyond the right face.
try testing.expect(math.Vec4, math.vec4(-2, 0, 1, 1)).eql(m.mulVec(&math.vec4(v.left - (width / 2), height_mid, 0, 1))); try testing.expect(math.Vec4, math.vec4(-2, 0, 1, 1)).eql(m.mulVec(&math.vec4(left - (width / 2), height_mid, 0, 1)));
try testing.expect(math.Vec4, math.vec4(-1, 0, 1, 1)).eql(m.mulVec(&math.vec4(v.left, height_mid, 0, 1))); try testing.expect(math.Vec4, math.vec4(-1, 0, 1, 1)).eql(m.mulVec(&math.vec4(left, height_mid, 0, 1)));
try testing.expect(math.Vec4, math.vec4(-0.5, 0, 1, 1)).eql(m.mulVec(&math.vec4(v.left + (width / 4.0), height_mid, 0, 1))); try testing.expect(math.Vec4, math.vec4(-0.5, 0, 1, 1)).eql(m.mulVec(&math.vec4(left + (width / 4.0), height_mid, 0, 1)));
try testing.expect(math.Vec4, math.vec4(0, 0, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, height_mid, 0, 1))); try testing.expect(math.Vec4, math.vec4(0, 0, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, height_mid, 0, 1)));
try testing.expect(math.Vec4, math.vec4(0.5, 0, 1, 1)).eql(m.mulVec(&math.vec4(v.right - (width / 4.0), height_mid, 0, 1))); try testing.expect(math.Vec4, math.vec4(0.5, 0, 1, 1)).eql(m.mulVec(&math.vec4(right - (width / 4.0), height_mid, 0, 1)));
try testing.expect(math.Vec4, math.vec4(1, 0, 1, 1)).eql(m.mulVec(&math.vec4(v.right, height_mid, 0, 1))); try testing.expect(math.Vec4, math.vec4(1, 0, 1, 1)).eql(m.mulVec(&math.vec4(right, height_mid, 0, 1)));
try testing.expect(math.Vec4, math.vec4(2, 0, 1, 1)).eql(m.mulVec(&math.vec4(v.right + (width / 2), height_mid, 0, 1))); try testing.expect(math.Vec4, math.vec4(2, 0, 1, 1)).eql(m.mulVec(&math.vec4(right + (width / 2), height_mid, 0, 1)));
// Probe some points on the Y axis from beyond the bottom face, all the way to beyond the top face. // Probe some points on the Y axis from beyond the bottom face, all the way to beyond the top face.
try testing.expect(math.Vec4, math.vec4(0, -2, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, v.bottom - (height / 2), 0, 1))); try testing.expect(math.Vec4, math.vec4(0, -2, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, bottom - (height / 2), 0, 1)));
try testing.expect(math.Vec4, math.vec4(0, -1, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, v.bottom, 0, 1))); try testing.expect(math.Vec4, math.vec4(0, -1, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, bottom, 0, 1)));
try testing.expect(math.Vec4, math.vec4(0, -0.5, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, v.bottom + (height / 4.0), 0, 1))); try testing.expect(math.Vec4, math.vec4(0, -0.5, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, bottom + (height / 4.0), 0, 1)));
try testing.expect(math.Vec4, math.vec4(0, 0, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, height_mid, 0, 1))); try testing.expect(math.Vec4, math.vec4(0, 0, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, height_mid, 0, 1)));
try testing.expect(math.Vec4, math.vec4(0, 0.5, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, v.top - (height / 4.0), 0, 1))); try testing.expect(math.Vec4, math.vec4(0, 0.5, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, top - (height / 4.0), 0, 1)));
try testing.expect(math.Vec4, math.vec4(0, 1, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, v.top, 0, 1))); try testing.expect(math.Vec4, math.vec4(0, 1, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, top, 0, 1)));
try testing.expect(math.Vec4, math.vec4(0, 2, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, v.top + (height / 2), 0, 1))); try testing.expect(math.Vec4, math.vec4(0, 2, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, top + (height / 2), 0, 1)));
} }
test "projection2D_xy_offcenter" { test "projection2D_xy_offcenter" {
const v = .{ const left = 100;
.left = 100, const right = 500;
.right = 500, const bottom = 100;
.bottom = 100, const top = 500;
.top = 500, const near = 0;
.near = 0, const far = 100;
.far = 100, const m = math.Mat4x4.projection2D(.{
}; .left = left,
const m = math.Mat4x4.projection2D(v); .right = right,
.bottom = bottom,
.top = top,
.near = near,
.far = far,
});
// Calculate some reference points // Calculate some reference points
const width = v.right - v.left; const width = right - left;
const height = v.top - v.bottom; const height = top - bottom;
const width_mid = v.left + (width / 2.0); const width_mid = left + (width / 2.0);
const height_mid = v.bottom + (height / 2.0); const height_mid = bottom + (height / 2.0);
try testing.expect(f32, 400).eql(width); try testing.expect(f32, 400).eql(width);
try testing.expect(f32, 400).eql(height); try testing.expect(f32, 400).eql(height);
try testing.expect(f32, 300).eql(width_mid); try testing.expect(f32, 300).eql(width_mid);
try testing.expect(f32, 300).eql(height_mid); try testing.expect(f32, 300).eql(height_mid);
// Probe some points on the X axis from beyond the left face, all the way to beyond the right face. // Probe some points on the X axis from beyond the left face, all the way to beyond the right face.
try testing.expect(math.Vec4, math.vec4(-2, 0, 1, 1)).eql(m.mulVec(&math.vec4(v.left - (width / 2), height_mid, 0, 1))); try testing.expect(math.Vec4, math.vec4(-2, 0, 1, 1)).eql(m.mulVec(&math.vec4(left - (width / 2), height_mid, 0, 1)));
try testing.expect(math.Vec4, math.vec4(-1, 0, 1, 1)).eql(m.mulVec(&math.vec4(v.left, height_mid, 0, 1))); try testing.expect(math.Vec4, math.vec4(-1, 0, 1, 1)).eql(m.mulVec(&math.vec4(left, height_mid, 0, 1)));
try testing.expect(math.Vec4, math.vec4(-0.5, 0, 1, 1)).eql(m.mulVec(&math.vec4(v.left + (width / 4.0), height_mid, 0, 1))); try testing.expect(math.Vec4, math.vec4(-0.5, 0, 1, 1)).eql(m.mulVec(&math.vec4(left + (width / 4.0), height_mid, 0, 1)));
try testing.expect(math.Vec4, math.vec4(0, 0, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, height_mid, 0, 1))); try testing.expect(math.Vec4, math.vec4(0, 0, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, height_mid, 0, 1)));
try testing.expect(math.Vec4, math.vec4(0.5, 0, 1, 1)).eql(m.mulVec(&math.vec4(v.right - (width / 4.0), height_mid, 0, 1))); try testing.expect(math.Vec4, math.vec4(0.5, 0, 1, 1)).eql(m.mulVec(&math.vec4(right - (width / 4.0), height_mid, 0, 1)));
try testing.expect(math.Vec4, math.vec4(1, 0, 1, 1)).eql(m.mulVec(&math.vec4(v.right, height_mid, 0, 1))); try testing.expect(math.Vec4, math.vec4(1, 0, 1, 1)).eql(m.mulVec(&math.vec4(right, height_mid, 0, 1)));
try testing.expect(math.Vec4, math.vec4(2, 0, 1, 1)).eql(m.mulVec(&math.vec4(v.right + (width / 2), height_mid, 0, 1))); try testing.expect(math.Vec4, math.vec4(2, 0, 1, 1)).eql(m.mulVec(&math.vec4(right + (width / 2), height_mid, 0, 1)));
// Probe some points on the Y axis from beyond the bottom face, all the way to beyond the top face. // Probe some points on the Y axis from beyond the bottom face, all the way to beyond the top face.
try testing.expect(math.Vec4, math.vec4(0, -2, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, v.bottom - (height / 2), 0, 1))); try testing.expect(math.Vec4, math.vec4(0, -2, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, bottom - (height / 2), 0, 1)));
try testing.expect(math.Vec4, math.vec4(0, -1, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, v.bottom, 0, 1))); try testing.expect(math.Vec4, math.vec4(0, -1, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, bottom, 0, 1)));
try testing.expect(math.Vec4, math.vec4(0, -0.5, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, v.bottom + (height / 4.0), 0, 1))); try testing.expect(math.Vec4, math.vec4(0, -0.5, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, bottom + (height / 4.0), 0, 1)));
try testing.expect(math.Vec4, math.vec4(0, 0, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, height_mid, 0, 1))); try testing.expect(math.Vec4, math.vec4(0, 0, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, height_mid, 0, 1)));
try testing.expect(math.Vec4, math.vec4(0, 0.5, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, v.top - (height / 4.0), 0, 1))); try testing.expect(math.Vec4, math.vec4(0, 0.5, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, top - (height / 4.0), 0, 1)));
try testing.expect(math.Vec4, math.vec4(0, 1, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, v.top, 0, 1))); try testing.expect(math.Vec4, math.vec4(0, 1, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, top, 0, 1)));
try testing.expect(math.Vec4, math.vec4(0, 2, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, v.top + (height / 2), 0, 1))); try testing.expect(math.Vec4, math.vec4(0, 2, 1, 1)).eql(m.mulVec(&math.vec4(width_mid, top + (height / 2), 0, 1)));
} }
test "projection2D_z" { test "projection2D_z" {