LYGIA Shader Library

Dependencies:

• lygia/v1.2.0/math/rotate4dY.glsl

Use:

rotateY(<vec3> pos, float radian [, vec4 center])

Check it on Github

#ifndef FNC_ROTATEY
#define FNC_ROTATEY
vec4 rotateY(in vec4 v, in float r, in vec4 c) {
    return rotate4dY(r) * (v - c) + c;
}

vec4 rotateY(in vec4 v, in float r) {
    #ifdef CENTER_4D
    return rotate4dY(r) * (v - CENTER_4D) + CENTER_4D;
    #else
    return rotate4dY(r) * v;
    #endif
}

vec3 rotateY(in vec3 v, in float r, in vec3 c) {
    return (rotate4dY(r) * vec4(v - c, 1.)).xyz + c;
}

vec3 rotateY(in vec3 v, in float r) {
    #ifdef CENTER_3D
    return (rotate4dY(r) * vec4(v - CENTER_3D, 1.)).xyz + CENTER_3D;
    #else
    return (rotate4dY(r) * vec4(v, 1.)).xyz;
    #endif
}
#endif

Dependencies:

• lygia/v1.2.0/math/rotate4dY.glsl

Use:

rotateY(<float3> pos, float radian [, float4 center])

Check it on Github

#ifndef FNC_ROTATEY
#define FNC_ROTATEY
float3 rotateY(in float3 pos, in float radian, in float3 center) {
    return mul(rotate4dY(radian), float4((pos - center), 1.)).xyz + center;
}

float3 rotateY(in float3 pos, in float radian) {
    #ifdef CENTER_3D
    return rotateY(pos, radian, CENTER_3D);
    #else
    return rotateY(pos, radian, float3(0.0, 0.0, 0.0));
    #endif
}
#endif