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authorSverker Eriksson <[email protected]>2016-10-05 16:11:31 +0200
committerSverker Eriksson <[email protected]>2016-10-05 16:11:31 +0200
commit502ed5fd6bd36328d6be63c68ee2a56738ced058 (patch)
tree80cfb83dd63ffa876541740cc067ea05bb39118d /lib/gs/examples/ball.erl
parentcf102c1b1225450e7918a6119b7d949eb7e575c4 (diff)
parent0bac72a18e8a5f6a46baae9c9ac73bde32948ff6 (diff)
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Merge branch 'master' into sverker/master/load_nif-print-init-error
Diffstat (limited to 'lib/gs/examples/ball.erl')
-rw-r--r--lib/gs/examples/ball.erl78
1 files changed, 0 insertions, 78 deletions
diff --git a/lib/gs/examples/ball.erl b/lib/gs/examples/ball.erl
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--- a/lib/gs/examples/ball.erl
+++ /dev/null
@@ -1,78 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
-%%
-%% Licensed under the Apache License, Version 2.0 (the "License");
-%% you may not use this file except in compliance with the License.
-%% You may obtain a copy of the License at
-%%
-%% http://www.apache.org/licenses/LICENSE-2.0
-%%
-%% Unless required by applicable law or agreed to in writing, software
-%% distributed under the License is distributed on an "AS IS" BASIS,
-%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-%% See the License for the specific language governing permissions and
-%% limitations under the License.
-%%
-%% %CopyrightEnd%
-%%
-
-%%
-%% ------------------------------------------------------------
-%% A simple demo showing a ball
-%% bouncing in a window.
-%% ------------------------------------------------------------
-
--module(ball).
--compile([{nowarn_deprecated_function,{gs,button,2}},
- {nowarn_deprecated_function,{gs,canvas,2}},
- {nowarn_deprecated_function,{gs,config,2}},
- {nowarn_deprecated_function,{gs,oval,2}},
- {nowarn_deprecated_function,{gs,start,0}},
- {nowarn_deprecated_function,{gs,window,2}}]).
-
--export([start/0,init/0]).
-
-start() ->
- spawn(ball,init,[]).
-
-init() ->
- I= gs:start(),
- W= gs:window(I,[{title,"Ball"},{width,300},{height,300},{map,true}]),
- C= gs:canvas(W,[{width,300},{height,300},{bg,yellow}]),
- gs:button(W,[{label, {text,"Quit Demo"}},{x,100}]),
- Ball = gs:oval(C,[{coords,[{0,0},{50,50}]},{fill,red}]),
- ball(Ball,0,0,5.5,4.1).
-
-ball(Ball,X,Y,DX,DY) ->
- {NX,NDX} = cc(X,DX),
- {NY,NDY} = cc(Y,DY),
- gs:config(Ball,{move,{DX,DY}}),
- receive
- {gs,_,click,_,_} -> exit(normal);
- {gs,_,destroy,_,_} -> exit(normal)
- after 20 ->
- true
- end,
- ball(Ball,NX,NY,NDX,NDY).
-
-cc(X,DX) ->
- if
- DX>0 ->
- if
- X=<250 ->
- {X+DX,DX};
- x>250 ->
- {X-DX,-DX}
- end;
- DX<0 ->
- if
- X>=0 ->
- {X+DX,DX};
- X<0 ->
- {X-DX,-DX}
- end
- end.
-
-%% ------------------------------------------------------------