uxn/projects/examples/dev.controller.buttons.usm

( Dev/Controller )

%++ { #0001 ADD2 }
%-- { #0001 SUB2 }
%2/ { #0002 DIV2 }

( variables )

@slime [
	&color 00
	&end
]

( devices )

|0100 @System [
	&vector 0000 
	&pad    0000 
			0000 
			0000
	&r      0000 
	&g      0000 
	&b      0000 
	&end    
]
|0120 @Screen [
	&vector 0000 
	&width  0000 
	&height 0000 
	&pad    0000 
	&x      0000 
	&y      0000 
	&addr   0000 
	&color  00 
	&end    
]
|0140 @Controller [
	&vector 0000 
	&button 00 
	&key    00 
	&end    
]

|0200

	( theme ) #0daf =System/r #02ff =System/g #035f =System/b
	( vectors ) ,on-frame =Screen/vector
	
	( set origin )
	~Screen/width 2/ =Screen/x 
	~Screen/height 2/ =Screen/y
	,default_icn =Screen/addr
	#31 =Screen/color
	#2a =slime/color

BRK

@on-frame

	#2a =slime/color
	,default_icn =Screen/addr

	( hold ctrl key to change slime color )

	~Controller/button #0f AND
		DUP #01 NEQ ^$no-ctrl JNZ #25 =slime/color $no-ctrl
		DUP #02 NEQ ^$no-alt JNZ #2f =slime/color $no-alt
	POP

	( clear ) #30 =Screen/color

	( detect movement )
	~Controller/button #f0 AND
		DUP #04 SFT #01 AND #01 NEQ ^$no-up JNZ 
			( move ) ~Screen/y -- =Screen/y ,up_icn =Screen/addr $no-up
		DUP #05 SFT #01 AND #01 NEQ ^$no-down JNZ 
			( move ) ~Screen/y ++ =Screen/y ,down_icn =Screen/addr $no-down
		DUP #06 SFT #01 AND #01 NEQ ^$no-left JNZ 
			( move ) ~Screen/x -- =Screen/x ,left_icn =Screen/addr $no-left
		DUP #07 SFT #01 AND #01 NEQ ^$no-right JNZ 
			( move ) ~Screen/x ++ =Screen/x ,right_icn =Screen/addr $no-right
	POP

	( draw face )
	#31 =Screen/color

	( draw slime )
	,slime_icn =Screen/addr
	~slime/color =Screen/color

BRK

@default_icn [ 3c7e ffdb ffe7 7e3c ]
@up_icn      [ 2466 e7db ffff 7e3c ]
@down_icn    [ 3c7e ffff dbe7 6624 ]
@left_icn    [ 3c7e ef1f 1fef 7e3c ]
@right_icn   [ 3c7e f7f8 f8f7 7e3c ]
@slime_icn   [ 0000 183c 3c18 0000 ]