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12345678910111213141516/// Matrix typepub const Mat = [4]F32x4;pub const F32x4 = @Vector(4, f32);
/// 2D orthographic projection matrixpub fn ortho2d(left: f32, right: f32, bottom: f32, top: f32) Mat { const w = right - left; const h = top - bottom; return .{ .{ 2 / w, 0, 0, 0 }, .{ 0, 2 / h, 0, 0 }, .{ 0.0, 0.0, -1.0, 0.0 }, .{ -(right + left) / w, -(top + bottom) / h, 0.0, 1.0 }, };}