1 files changed, 128 insertions, 0 deletions
diff --git a/src/libjin/graphics/animations/animator.cpp b/src/libjin/graphics/animations/animator.cpp
new file mode 100644
index 0000000..8db3bc2
--- /dev/null
+++ b/src/libjin/graphics/animations/animator.cpp
@@ -0,0 +1,128 @@
+#include "../../math/vector2.hpp"
+#include "animator.h"
+
+using namespace JinEngine::Math;
+
+namespace JinEngine
+{
+    namespace Graphics
+    {
+        namespace Animations
+        {
+
+            Animator::Animator()
+                : mIndex(0)
+                , mTick(0)
+                , mIsActive(true)
+            {
+            }
+
+            void Animator::setAnimation(const Animation* anim)
+            {
+                mAnimation = anim;
+                if (mAnimation)
+                {
+                    mSpeed = mAnimation->getSpeed();
+                    mLoop = mAnimation->isLoop();
+                }
+            }
+
+            void Animator::play()
+            {
+                mIndex = 0;
+                mIsActive = true; 
+                mTick = 0;
+            }
+
+            void Animator::pause()
+            {
+                mIsActive = false; 
+            }
+
+            void Animator::resume()
+            {
+                mIsActive = true;
+            }
+
+            void Animator::update(float dt)
+            {
+                if (!mIsActive || !mAnimation)
+                    return;
+                float interval = 1 / mSpeed;
+                mTick += dt;
+                uint fc = mAnimation->getFrameCount();
+                if (mTick >= interval)
+                {
+                    mIndex += int(mTick / interval);
+                    mTick = fmod(mTick, interval);
+                    if (mLoop)
+                        mIndex %= fc;
+                    mIndex = clamp<uint>(mIndex, 0, fc - 1);
+                }
+            }
+
+            void Animator::rewind()
+            {
+                mIndex = 0;
+            }
+
+            void Animator::render(float x, float y, float sx, float sy, float r) const
+            {
+                if (!mAnimation)
+                    return;
+                const Sprite* spr = mAnimation->getFrame(mIndex);
+                if (spr)
+                    spr->render(x, y, sx, sy, r);
+            }
+
+            void Animator::forceToFrame(uint index)
+            {
+                mIndex = index;
+
+            }
+
+            void Animator::setSpeed(float speed)
+            {
+                mSpeed = speed;
+            }
+
+            void Animator::setDefaultSpeed()
+            {
+                if(mAnimation != nullptr)
+                    mSpeed = mAnimation->getSpeed();
+                else
+                {
+                    jin_log_error("Animation is null.");
+                    return;
+                }
+            }
+
+            void Animator::setLoop(bool loop)
+            {
+                mLoop = loop;
+            }
+
+            void Animator::setDefaultLoop()
+            {
+                if(mAnimation != nullptr)
+                    mLoop = mAnimation->isLoop();
+                else
+                {
+                    jin_log_error("Animation is null.");
+                    return;
+                }
+            }
+
+            float Animator::getSpeed()
+            {
+                return mSpeed;
+            }
+
+            uint Animator::getFrameCount()
+            {
+                return mAnimation->getFrameCount();
+            }
+
+        }
+    }
+}
+\ No newline at end of file