29 lines
926 B
GLSL
29 lines
926 B
GLSL
/**
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* Computes distance from a point to a plane.
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*
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* @name czm_planeDistance
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* @glslFunction
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*
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* param {vec4} plane A Plane in Hessian Normal Form. See Plane.js
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* param {vec3} point A point in the same space as the plane.
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* returns {float} The distance from the point to the plane.
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*/
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float czm_planeDistance(vec4 plane, vec3 point) {
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return (dot(plane.xyz, point) + plane.w);
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}
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/**
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* Computes distance from a point to a plane.
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*
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* @name czm_planeDistance
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* @glslFunction
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*
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* param {vec3} planeNormal Normal for a plane in Hessian Normal Form. See Plane.js
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* param {float} planeDistance Distance for a plane in Hessian Normal form. See Plane.js
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* param {vec3} point A point in the same space as the plane.
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* returns {float} The distance from the point to the plane.
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*/
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float czm_planeDistance(vec3 planeNormal, float planeDistance, vec3 point) {
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return (dot(planeNormal, point) + planeDistance);
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}
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