Learn SNAP with Real Code Examples

when green flag clicked
    forever
        if <key [right] pressed?> then
        move (10) steps
        end
        if <key [left] pressed?> then
        move (-10) steps
        end
    end

Move sprite with arrow keys and repeat simple motion.

when green flag clicked
    say [Hello World!] for (2) secs

Displays 'Hello World!' using Say block.

when green flag clicked
    set [count v] to (0)
    forever
        change [count v] by (1)
        wait (1) secs
    end

Increments a counter variable every second.

when green flag clicked
    forever
        move (8) steps
        if <on edge, bounce> then
        turn (15) degrees
        end
    end

Simple bouncing ball logic.

when green flag clicked
    forever
        set [color v] effect to (pick random (1) to (200))
        wait (0.5) secs
    end

Changes sprite color randomly.

when green flag clicked
    forever
        if <key [a] pressed?> then
        turn (-10) degrees
        end
        if <key [d] pressed?> then
        turn (10) degrees
        end
    end

Rotate sprite with A/D keys.

when green flag clicked
    forever
        glide (1) secs to x:(pick random (-200) to (200)) y:(pick random (-150) to (150))
    end

Glide to random positions forever.

when green flag clicked
    forever
        next costume
        wait (0.2) secs
    end

Switches between costumes to simulate animation.

when green flag clicked
    set [active v] to [false]
    forever
        if <key [space] pressed?> then
        if <(active) = [false]> then
        set [active v] to [true]
        else
        set [active v] to [false]
        end
        wait (0.2) secs
        end
    end

Uses space key to toggle a boolean variable.

when green flag clicked
    forever
        play sound [pop]
        wait (1) secs
    end

Plays a sound in a loop.