GameDev Calculator | Vector & Graphics Development Tool
(1.000, 0.000, 0.000, 1.000)

GameDev Calculator Guide

Basic Usage

  1. Select input format from the dropdown (Vector, Color, D3DXVECTOR4, or Hex)
  2. Enter values in the input field
  3. Click "Push to Stack" to add the value
  4. Use operation buttons to perform calculations
  5. Results appear in the stack display

Input Formats

Format Example Input Description
Vector (1, 0, 0, 1) Standard vector format (x, y, z, w)
Color rgba(255, 0, 0, 1) Color in RGBA format
D3DXVECTOR4 D3DXVECTOR4(1.0f, 0.0f, 0.0f, 1.0f) DirectX vector format
Hex #FF0000 Hexadecimal color format

Vector Operations

Normalize

Input: (3, 4, 0, 1)

Result: (0.600, 0.800, 0.000, 1.000)

Makes vector length = 1 while preserving direction

Length

Input: (3, 4, 0, 1)

Result: 5.000

Calculates vector magnitude

Dot Product

Input 1: (1, 0, 0, 1)

Input 2: (0, 1, 0, 1)

Result: 0.000

Calculates angle between vectors

Cross Product

Input 1: (1, 0, 0, 1)

Input 2: (0, 1, 0, 1)

Result: (0.000, 0.000, 1.000, 1.000)

Creates perpendicular vector

Color Operations

RGB to HSB

Input: rgba(255, 0, 0, 1)

Result: (0.000, 1.000, 1.000, 1.000)

Converts RGB to Hue, Saturation, Brightness

HSB to RGB

Input: (0.333, 1.000, 1.000, 1.000)

Result: rgba(0, 255, 0, 1)

Converts HSB back to RGB

Brightness

Input: rgba(255, 128, 0, 1)

Result: 0.607

Calculates perceived brightness

General Operations

Add/Subtract

Input 1: (1, 2, 3, 1)

Input 2: (4, 5, 6, 1)

Add Result: (5, 7, 9, 1)

Subtract Result: (-3, -3, -3, 1)

Multiply/Divide

Input: (2, 4, 6, 1)

Scalar: 2

Multiply Result: (4, 8, 12, 1)

Divide Result: (1, 2, 3, 1)

Lerp (Linear Interpolation)

Start: (0, 0, 0, 1)

End: (10, 10, 10, 1)

Factor: 0.5

Result: (5, 5, 5, 1)

Clamp

Input: (1.5, -0.5, 2.2, 1)

Min: 0.0, Max: 1.0

Result: (1.0, 0.0, 1.0, 1)

Stack Operations

  • Dup (Duplicate): Creates a copy of the selected stack item
  • Del (Delete): Removes the selected stack item
  • Save: Stores the value in memory slots

Common Use Cases

Normalizing Direction Vector

  1. Enter vector: (3, 4, 0, 1)
  2. Push to Stack
  3. Click "Normalize"
  4. Result: (0.600, 0.800, 0.000, 1.000)

Color Space Conversion

  1. Select Color format
  2. Enter: rgba(255, 0, 0, 1)
  3. Push to Stack
  4. Click "RGB → HSB"
  5. Result in HSB format

Vector Reflection

  1. Enter incident vector: (1, -1, 0, 1)
  2. Push to Stack
  3. Enter normal vector: (0, 1, 0, 1)
  4. Push to Stack
  5. Click "Reflect"
  6. Result: (1, 1, 0, 1)