pacman/lib/PacManAnimation.cpp

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#include "PacManAnimation.hpp"
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namespace pacman {
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constexpr std::array<GridPosition,4> down_animation { Atlas::pacman_down_wide, Atlas::pacman_down_narrow, Atlas::pacman_closed, Atlas::pacman_down_narrow };
constexpr std::array<GridPosition,4> left_animation{ Atlas::pacman_left_wide, Atlas::pacman_left_narrow, Atlas::pacman_closed, Atlas::pacman_left_narrow };
constexpr std::array<GridPosition,4> right_animation{ Atlas::pacman_right_wide, Atlas::pacman_right_narrow, Atlas::pacman_closed, Atlas::pacman_right_narrow };
constexpr std::array<GridPosition,4> up_animation{ Atlas::pacman_up_wide, Atlas::pacman_up_narrow, Atlas::pacman_closed, Atlas::pacman_up_narrow };
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GridPosition PacManAnimation::animationFrame(Direction direction) const {
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switch (direction) {
case Direction::LEFT:
return left_animation[animation_position];
case Direction::RIGHT:
return right_animation[animation_position];
case Direction::UP:
return up_animation[animation_position];
case Direction::DOWN:
return down_animation[animation_position];
case Direction::NONE:
default:
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return Atlas::pacman_closed;
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}
}
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GridPosition PacManAnimation::deathAnimationFrame() const {
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return GridPosition{ animation_position, 1 };
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}
void PacManAnimation::updateAnimationPosition(std::chrono::milliseconds time_delta, bool dead) {
if (dead && animation_position >= 11)
return;
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animation_position_delta += (0.02) * double(time_delta.count());
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animation_position = int(animation_position + animation_position_delta);
if (!dead)
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animation_position = animation_position % 4;
if(animation_position_delta > 1)
animation_position_delta = animation_position_delta - 1;
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}
void PacManAnimation::pause() {
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// when hitting a wall, Pacman's mouth stays wide open
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animation_position = 0;
animation_position_delta = 0;
}
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} // namespace pacman