import { float, vec3 } from "./ShaderTypes";
export declare const all: () => any;
/**
 * @param thresh value where step happens
 * @param value ramp of values used as input for the step
 * @returns stepped float value
 */
export declare const stepAA: (thresh?: float, value?: float) => float | any;
/**
 * 5 color gradient across a given value ramp
 * @param ramp input value that gradient will span across
 * @param c1 color 1
 * @param c2 color 2
 * @param c3 color 3
 * @param c4 color 4
 * @param c5 color 5
 * @returns vec3 color gradient
 */
export declare const gradient5: (ramp?: float, c1?: vec3, c2?: vec3, c3?: vec3, c4?: vec3, c5?: vec3) => vec3 | any;
/**
 * smoothstep function with exposnential curve
 * @param edge0 starting edge of step
 * @param edge1 ending edge of step
 * @param x the value to step across
 * @param power the power of the exponential curve
 * @returns a shaped float value
 */
export declare const smoothstepExp: (edge0?: float, edge1?: float, x?: float, power?: float) => float | any;
/**
 * creates a linear pulse shape with custom attack, width, and decay
 * @param edge position of the pulse relative to x
 * @param x the ramp of values the pulse will run across
 * @param attack the steepness of the front slope of the pulse
 * @param decay the falloff of the pulse
 * @param width the space between the attack and decay
 * @returns strength value
 */
export declare const pulseInOut: (edge?: float, x?: float, attack?: float, decay?: float, width?: float) => float | any;
/**
 * creates an exponential pulse  shape with custom attack, width, and decay
 *
 * DEPENDENCIES: {@link smoothstepExp}
 *
 * @param edge position of the pulse relative to x
 * @param x the ramp of values the pulse will run across
 * @param attack the steepness of the front slope of the pulse
 * @param attackExp the exponent value of the attack
 * @param decay the falloff of the pulse
 * @param decayExp the exposnent value of the decay
 * @param width the space between the attack and decay
 * @returns
 */
export declare const pulseInOutExp: (edge?: float, x?: float, attack?: float, attackExp?: float, decay?: float, decayExp?: float, width?: float) => float | any;
/**
 * creates wireframe edges at the edge of each triangle in the mesh
 *
 * @param barycentricCoords the barycentric coords of the fragment
 * @param lineWidth the desired width of the edge line
 * @returns the value of the triangle edge
 */
export declare const getTriangleEdge: (barycentricCoords?: vec3, lineWidth?: float) => float | any;
export declare const ShapingFunctions: {
    all: () => any;
    stepAA: (thresh?: float, value?: float) => float | any;
    gradient5: (ramp?: float, c1?: vec3, c2?: vec3, c3?: vec3, c4?: vec3, c5?: vec3) => vec3 | any;
    smoothstepExp: (edge0?: float, edge1?: float, x?: float, power?: float) => float | any;
    pulseInOut: (edge?: float, x?: float, attack?: float, decay?: float, width?: float) => float | any;
    pulseInOutExp: (edge?: float, x?: float, attack?: float, attackExp?: float, decay?: float, decayExp?: float, width?: float) => float | any;
    getTriangleEdge: (barycentricCoords?: vec3, lineWidth?: float) => float | any;
};