LYGIA Shader Library

orthographic (lygia/space/orthographic)

create orthographic matrix


<mat4> orthographic(<float> left, <float> right, <float> bottom, <float> top, <float> near, <float> far)

Check it on Github

mat4 orthographic(float l, float r, float b, float t, float n, float f) {
    return mat4(
        vec4(2.0/(r-l),     0.0,          0.0,         0.0),
        vec4(0.0,           2.0/(t-b),    0.0,         0.0),
        vec4(0.0,           0.0,         -2.0/(f-n),   0.0),
        vec4(-(r+l)/(r-l), -(t+b)/(t-b), -(f+n)/(f-n), 1.0)


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