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Mathematics

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Unity Cheat Sheet: #40

Angle & Trigonometry

  • Mathf.Sin/Cos/Tan: Basic trig functions (in radians!)
  • Mathf.Asin/Acos/Atan: Inverse trig functions
  • Mathf.Atan2: 2-argument arctangent (for direction vectors)
  • Always remember: Unity uses radians, not degrees!

Number Operations

  • Mathf.Round/Ceil/Floor: Rounding operations
  • Mathf.Sqrt: Square root calculations
  • Mathf.Pow: Power calculations
  • Mathf.Log/Log10: Logarithmic functions
  • Mathf.Sign: Returns -1, 0, or 1 based on value sign

Vector Math

  • Vector3.Dot: Projection and angle calculations
  • Vector3.Cross: Perpendicular vector calculations
  • Vector3.Normalize: Creates unit vectors
  • Vector3.Distance: Distance between points
  • Matrix multiplication for transformations

Game Math Helpers

  • Mathf.Abs: Absolute values
  • Mathf.Min/Max: Value comparisons
  • Mathf.Clamp/Clamp01: Restricting values to ranges
  • Mathf.Lerp: Linear interpolation between values
  • Mathf.MoveTowards: Smooth value transitions

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