LYGIA Shader Library

Dependencies:

• lygia/draw/digits.glsl

Use:

<vec4> matrix(<vec2> st, <mat2|mat3|mat4> M)

Check it on Github

#ifndef FNC_DRAW_MATRIX
#define FNC_DRAW_MATRIX

vec4 matrix(in vec2 st, in mat2 M) {
    vec4 rta = vec4(0.0);
    vec2 size = DIGITS_SIZE * abs(DIGITS_VALUE_OFFSET) * 2.0;
    rta.a = 0.5 * step(-DIGITS_SIZE.x, st.x) * step(st.x, size.x) * step(-DIGITS_SIZE.y, st.y) * step(st.y, size.y);
    rta += digits(st, M);
    return rta;
}

vec4 matrix(in vec2 st, in mat3 M) {
    vec4 rta = vec4(0.0);
    vec2 size = DIGITS_SIZE * abs(DIGITS_VALUE_OFFSET) * 3.0;
    rta.a = 0.5 * step(-DIGITS_SIZE.x, st.x) * step(st.x, size.x) * step(-DIGITS_SIZE.y, st.y) * step(st.y, size.y);
    rta += digits(st, M);
    return rta;
}

vec4 matrix(in vec2 st, in mat4 M) {
    vec4 rta = vec4(0.0);
    vec2 size = DIGITS_SIZE * abs(DIGITS_VALUE_OFFSET) * 4.0;
    rta.a = 0.5 * step(-DIGITS_SIZE.x, st.x) * step(st.x, size.x) * step(-DIGITS_SIZE.y, st.y) * step(st.y, size.y);
    rta += digits(st, M);
    return rta;
}

#endif

Dependencies:

• lygia/draw/digits.glsl

Use:

<float4> matrix(<float2> st, <float2x2|float3x3|float4x4> M)

Check it on Github

#ifndef FNC_DRAW_MATRIX
#define FNC_DRAW_MATRIX

float4 matrix(in float2 st, in float2x2 M) {
    float4 rta = float4(0.0, 0.0, 0.0, 0.0);
    float2 size = DIGITS_SIZE * abs(DIGITS_VALUE_OFFSET) * 2.0;
    rta.a = 0.5 * step(-DIGITS_SIZE.x, st.x) * step(st.x, size.x) * step(-DIGITS_SIZE.y, st.y) * step(st.y, size.y);
    rta += digits(st, M);
    return rta;
}

float4 matrix(in float2 st, in float3x3 M) {
    float4 rta = float4(0.0, 0.0, 0.0, 0.0);
    float2 size = DIGITS_SIZE * abs(DIGITS_VALUE_OFFSET) * 3.0;
    rta.a = 0.5 * step(-DIGITS_SIZE.x, st.x) * step(st.x, size.x) * step(-DIGITS_SIZE.y, st.y) * step(st.y, size.y);
    rta += digits(st, M);
    return rta;
}

float4 matrix(in float2 st, in float4x4 M) {
    float4 rta = float4(0.0, 0.0, 0.0, 0.0);
    float2 size = DIGITS_SIZE * abs(DIGITS_VALUE_OFFSET) * 4.0;
    rta.a = 0.5 * step(-DIGITS_SIZE.x, st.x) * step(st.x, size.x) * step(-DIGITS_SIZE.y, st.y) * step(st.y, size.y);
    rta += digits(st, M);
    return rta;
}

#endif

Dependencies:

• lygia/draw/digits.glsl

Use:

<float4> matrix(<float2> st, <float2x2|float3x3|float4x4> M)

Check it on Github

#ifndef FNC_DRAW_MATRIX
#define FNC_DRAW_MATRIX

float4 matrix(in float2 st, in float2x2 M) {
    float4 rta = float4(0.0, 0.0, 0.0, 0.0);
    float2 size = DIGITS_SIZE * abs(DIGITS_VALUE_OFFSET) * 2.0;
    rta.a = 0.5 * step(-DIGITS_SIZE.x, st.x) * step(st.x, size.x) * step(-DIGITS_SIZE.y, st.y) * step(st.y, size.y);
    rta += digits(st, M);
    return rta;
}

float4 matrix(in float2 st, in float3x3 M) {
    float4 rta = float4(0.0, 0.0, 0.0, 0.0);
    float2 size = DIGITS_SIZE * abs(DIGITS_VALUE_OFFSET) * 3.0;
    rta.a = 0.5 * step(-DIGITS_SIZE.x, st.x) * step(st.x, size.x) * step(-DIGITS_SIZE.y, st.y) * step(st.y, size.y);
    rta += digits(st, M);
    return rta;
}

float4 matrix(in float2 st, in float4x4 M) {
    float4 rta = float4(0.0, 0.0, 0.0, 0.0);
    float2 size = DIGITS_SIZE * abs(DIGITS_VALUE_OFFSET) * 4.0;
    rta.a = 0.5 * step(-DIGITS_SIZE.x, st.x) * step(st.x, size.x) * step(-DIGITS_SIZE.y, st.y) * step(st.y, size.y);
    rta += digits(st, M);
    return rta;
}

#endif