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# Copyright 2022 Frederico de Oliveira Linhares
#
# 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.
module CandyGear
class Animation
Frame = Struct.new(:duration, :index);
attr_reader(:index);
def initialize(sequence, repeat = true)
@sequence = sequence;
@repeat = repeat;
self.reset();
end
def tick()
return @index if @sequence_is_over;
@current_time += 1;
frame = @sequence[@current_frame];
if @current_time >= frame.duration then
@current_time = 0;
@current_frame += 1;
if @current_frame >= @sequence.size() then
if @repeat then
@current_frame = 0;
else
@current_frame -= 1;
@sequence_is_over = true;
end
end
end
return @index = frame.index();
end
def reset()
@current_time = 0;
@current_frame = 0;
@index = @sequence[0].index;
@sequence_is_over = false;
end
end
end
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