Learn BLITZ3D with Real Code Examples

Updated Nov 24, 2025

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Code Sample Descriptions

Blitz3D Simple Counter Example

Graphics3D 800,600
Text 0,0,"Count: 0"
count = 0

While Not KeyDown(1) 'Esc key
    If KeyDown(203) Then count = count - 1 'Left arrow
    If KeyDown(205) Then count = count + 1 'Right arrow
    Cls
    Text 100,100,"Count: " + count
    Flip
Wend

A minimal Blitz3D example showing a counter and updating it using keyboard input.

Let’s Try →

Blitz3D Player Movement Example

Graphics3D 800,600
player = CreateCube()
PositionEntity player, 0,0,0
speed = 0.1

While Not KeyDown(1)
    If KeyDown(203) Then MoveEntity player,-speed,0,0
    If KeyDown(205) Then MoveEntity player,speed,0,0
    If KeyDown(200) Then MoveEntity player,0,0,-speed
    If KeyDown(208) Then MoveEntity player,0,0,speed
    RenderWorld
    Flip
Wend

Move a 3D player cube with arrow keys.

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Blitz3D Simple Shooting Example

Graphics3D 800,600
player = CreateCube()
PositionEntity player,0,0,0
projectiles = CreateList()

While Not KeyDown(1)
    If KeyDown(57) Then 'Space
        p = CreateCube()
        PositionEntity p,EntityX(player),0,EntityZ(player)
        AddToList projectiles,p
    End If
    For i=0 To ListCount(projectiles)-1
        MoveEntity ListValue(projectiles,i),0,0,0.2
    Next
    RenderWorld
    Flip
Wend

Press space to shoot a cube projectile.

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Blitz3D Simple Gravity Example

Graphics3D 800,600
cube = CreateCube()
PositionEntity cube,0,10,0
ySpeed = 0
gravity = 0.01

While Not KeyDown(1)
    ySpeed = ySpeed + gravity
    MoveEntity cube,0,ySpeed,0
    If EntityY(cube) > 0 Then
        PositionEntity cube,0,0,0
        ySpeed = 0
    End If
    RenderWorld
    Flip
Wend

Applies gravity to a cube.

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Blitz3D Enemy Follow Example

Graphics3D 800,600
player = CreateCube()    enemy = CreateCube()
PositionEntity player,0,0,0
PositionEntity enemy,5,0,5
speed = 0.05

While Not KeyDown(1)
    xDir = EntityX(player)-EntityX(enemy)
    zDir = EntityZ(player)-EntityZ(enemy)
    MoveEntity enemy,xDir*speed,0,zDir*speed
    RenderWorld
    Flip
Wend

Enemy cube follows the player cube.

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Blitz3D Simple Timer Example

Graphics3D 800,600
time = Timer()

While Not KeyDown(1)
    If Timer()-time > 1000 Then
        Print "1 second passed"
        time = Timer()
    End If
    Flip
Wend

Prints a message every second.

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Blitz3D Collision Detection Example

Graphics3D 800,600
cube1 = CreateCube()
cube2 = CreateCube()
PositionEntity cube1,0,0,0
PositionEntity cube2,1,0,0

While Not KeyDown(1)
    If EntityCollides(cube1,cube2) Then
        Print "Collision!"
    End If
    RenderWorld
    Flip
Wend

Detects collision between two cubes.

Let’s Try →

Blitz3D Random Movement Example

Graphics3D 800,600
cube = CreateCube()
PositionEntity cube,0,0,0

While Not KeyDown(1)
    MoveEntity cube,Rnd(-0.1,0.1),0,Rnd(-0.1,0.1)
    RenderWorld
    Flip
Wend

Moves a cube randomly each frame.

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Blitz3D Simple Animation Example

Graphics3D 800,600
cube = CreateCube()
frames = [LoadImage("1.png"),LoadImage("2.png"),LoadImage("3.png")]
i = 0
timer = 0

While Not KeyDown(1)
    timer = timer + 1
    If timer Mod 10 = 0 Then
        EntityTexture cube,frames(i)
        i = (i+1) Mod 3
    End If
    RenderWorld
    Flip
Wend

Cycles through textures to animate a cube.

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Blitz3D Simple UI Text Example

Graphics3D 800,600
Text 100,100,"Hello Blitz3D"

While Not KeyDown(1)
    Flip
Wend

Displays text on screen.

Let’s Try →

Code Sample Descriptions

Blitz3D Simple Counter Example

Graphics3D 800,600
Text 0,0,"Count: 0"
count = 0

While Not KeyDown(1) 'Esc key
    If KeyDown(203) Then count = count - 1 'Left arrow
    If KeyDown(205) Then count = count + 1 'Right arrow
    Cls
    Text 100,100,"Count: " + count
    Flip
Wend

A minimal Blitz3D example showing a counter and updating it using keyboard input.

Let’s Try →

Blitz3D Player Movement Example

Graphics3D 800,600
player = CreateCube()
PositionEntity player, 0,0,0
speed = 0.1

While Not KeyDown(1)
    If KeyDown(203) Then MoveEntity player,-speed,0,0
    If KeyDown(205) Then MoveEntity player,speed,0,0
    If KeyDown(200) Then MoveEntity player,0,0,-speed
    If KeyDown(208) Then MoveEntity player,0,0,speed
    RenderWorld
    Flip
Wend

Move a 3D player cube with arrow keys.

Let’s Try →

Blitz3D Simple Shooting Example

Graphics3D 800,600
player = CreateCube()
PositionEntity player,0,0,0
projectiles = CreateList()

While Not KeyDown(1)
    If KeyDown(57) Then 'Space
        p = CreateCube()
        PositionEntity p,EntityX(player),0,EntityZ(player)
        AddToList projectiles,p
    End If
    For i=0 To ListCount(projectiles)-1
        MoveEntity ListValue(projectiles,i),0,0,0.2
    Next
    RenderWorld
    Flip
Wend

Press space to shoot a cube projectile.

Let’s Try →

Blitz3D Simple Gravity Example

Graphics3D 800,600
cube = CreateCube()
PositionEntity cube,0,10,0
ySpeed = 0
gravity = 0.01

While Not KeyDown(1)
    ySpeed = ySpeed + gravity
    MoveEntity cube,0,ySpeed,0
    If EntityY(cube) > 0 Then
        PositionEntity cube,0,0,0
        ySpeed = 0
    End If
    RenderWorld
    Flip
Wend

Applies gravity to a cube.

Let’s Try →

Blitz3D Enemy Follow Example

Graphics3D 800,600
player = CreateCube()    enemy = CreateCube()
PositionEntity player,0,0,0
PositionEntity enemy,5,0,5
speed = 0.05

While Not KeyDown(1)
    xDir = EntityX(player)-EntityX(enemy)
    zDir = EntityZ(player)-EntityZ(enemy)
    MoveEntity enemy,xDir*speed,0,zDir*speed
    RenderWorld
    Flip
Wend

Enemy cube follows the player cube.

Let’s Try →

Blitz3D Simple Timer Example

Graphics3D 800,600
time = Timer()

While Not KeyDown(1)
    If Timer()-time > 1000 Then
        Print "1 second passed"
        time = Timer()
    End If
    Flip
Wend

Prints a message every second.

Let’s Try →

Blitz3D Collision Detection Example

Graphics3D 800,600
cube1 = CreateCube()
cube2 = CreateCube()
PositionEntity cube1,0,0,0
PositionEntity cube2,1,0,0

While Not KeyDown(1)
    If EntityCollides(cube1,cube2) Then
        Print "Collision!"
    End If
    RenderWorld
    Flip
Wend

Detects collision between two cubes.

Let’s Try →

Blitz3D Random Movement Example

Graphics3D 800,600
cube = CreateCube()
PositionEntity cube,0,0,0

While Not KeyDown(1)
    MoveEntity cube,Rnd(-0.1,0.1),0,Rnd(-0.1,0.1)
    RenderWorld
    Flip
Wend

Moves a cube randomly each frame.

Let’s Try →

Blitz3D Simple Animation Example

Graphics3D 800,600
cube = CreateCube()
frames = [LoadImage("1.png"),LoadImage("2.png"),LoadImage("3.png")]
i = 0
timer = 0

While Not KeyDown(1)
    timer = timer + 1
    If timer Mod 10 = 0 Then
        EntityTexture cube,frames(i)
        i = (i+1) Mod 3
    End If
    RenderWorld
    Flip
Wend

Cycles through textures to animate a cube.

Let’s Try →

Blitz3D Simple UI Text Example

Graphics3D 800,600
Text 100,100,"Hello Blitz3D"

While Not KeyDown(1)
    Flip
Wend

Displays text on screen.

Let’s Try →