Variable geomutilsConst

geomutils: {
    dist4(x1, y1, x2, y2): number;
    dotProduct(vertA, vertB): number;
    mapAngleTo2PI(angle): number;
    nsectAngle(pA, pB, pC, n): Line[];
    wrapMax(x, max): number;
    wrapMinMax(x, min, max): number;
} = ...

A collection of usefull geometry utilities.

Type declaration

  • dist4:function
    • dist4(x1, y1, x2, y2): number

    • Calculate the euclidean distance between two points given by four coordinates (two coordinates each).

      Parameters

      • x1: number
      • y1: number
      • x2: number
      • y2: number

      Returns number

  • dotProduct:function
    • dotProduct(vertA, vertB): number

    • Map any angle (any numeric value) to [0, Math.PI).

      A × B := (A.x * B.x) + (A.y * B.y)

      Parameters

      Returns number

      The dot product of the two vertices.

  • mapAngleTo2PI:function
    • mapAngleTo2PI(angle): number

    • Map any angle (any numeric value) to [0, Math.PI).

      Parameters

      • angle: number

        The numeric value to map.

      Returns number

      The mapped angle inside [0,PI*2].

  • nsectAngle:function
    • nsectAngle(pA, pB, pC, n): Line[]

    • Compute the n-section of the angle – described as a triangle (A,B,C) – in point A.

      Parameters

      • pA: Vertex

        The first triangle point.

      • pB: Vertex

        The second triangle point.

      • pC: Vertex

        The third triangle point.

      • n: number

        The number of desired angle sections (example: 2 means the angle will be divided into two sections, means an returned array with length 1, the middle line).

      Returns Line[]

      An array of n-1 lines secting the given angle in point A into n equal sized angle sections. The lines' first vertex is A.

  • wrapMax:function
    • wrapMax(x, max): number

    • Wrap the value (e.g. an angle) into the given range of [0,max).

      Parameters

      • x: number

        The value to wrap.

      • max: number

        The max bound to use for the range.

      Returns number

      The wrapped value inside the range [0,max).

      Name

      wrapMax

  • wrapMinMax:function
    • wrapMinMax(x, min, max): number

    • Wrap the value (e.g. an angle) into the given range of [min,max).

      Parameters

      • x: number

        The value to wrap.

      • min: number

        The min bound to use for the range.

      • max: number

        The max bound to use for the range.

      Returns number

      The wrapped value inside the range [min,max).

      Name

      wrapMinMax

Global