From bcb15776948d699caefb6f2964a61e5f650caf4d Mon Sep 17 00:00:00 2001
From: huaqo-games <joaquingottlebe@icloud.com>
Date: Sat, 8 Feb 2025 17:47:12 +0100
Subject: [PATCH] animation is now decoupled from sprite

---
 scripts/animation.h | 28 ++++++++++++++++++++++++++++
 scripts/camera.h    | 15 +++++++++++++++
 scripts/input.h     | 40 ++++++++++++++++++++++++++++++++++++++++
 scripts/object.h    | 10 ++++++----
 scripts/physics.h   | 21 +++++++++++++++++++++
 scripts/sprite.h    |  9 +++++++++
 scripts/vector.h    |  2 ++
 7 files changed, 121 insertions(+), 4 deletions(-)
 create mode 100644 scripts/animation.h
 create mode 100644 scripts/camera.h
 create mode 100644 scripts/input.h
 create mode 100644 scripts/physics.h

diff --git a/scripts/animation.h b/scripts/animation.h
new file mode 100644
index 0000000..6c4a7c9
--- /dev/null
+++ b/scripts/animation.h
@@ -0,0 +1,28 @@
+#ifndef ANIMSPRITE_H
+#define ANIMSPRITE_H
+
+typedef struct {    
+    int currentFrame;       
+    int maxFrame;           
+    int framesCounter;      
+    int framesSpeed;        
+    float animTimer;  
+} Animation;
+
+void UpdateAnimation(Animation *animation, float deltaTime) {
+    animation->animTimer += deltaTime;
+    float frameTime = 1.0f / animation->framesSpeed;
+
+    if (animation->animTimer < frameTime) {
+        return;
+    }
+
+    animation->animTimer -= frameTime;
+    animation->currentFrame++;
+
+    if (animation->currentFrame >= animation->maxFrame) {
+        animation->currentFrame = 0;
+    }
+}
+
+#endif // ANIMSPRITE_H
diff --git a/scripts/camera.h b/scripts/camera.h
new file mode 100644
index 0000000..d136cb1
--- /dev/null
+++ b/scripts/camera.h
@@ -0,0 +1,15 @@
+#ifndef CAMERA_H
+#define CAMERA_H
+#include <raymath.h>
+#include "input.h" 
+
+void UpdateCamera2DTarget(Camera2D *camera, Vector2 *position, const float smoothness){
+    camera->target = Vector2Lerp(camera->target, *position, smoothness * GetFrameTime());
+}
+
+void UpdateCamera2DZoom(Camera2D *camera, const float *scaleFactor, const float *minZoom, const float *maxZoom){
+    float targetZoom = Clamp(camera->zoom * *scaleFactor, *minZoom, *maxZoom);
+    camera->zoom = Lerp(camera->zoom, targetZoom, 0.1f);
+}
+
+#endif // CAMERA_H
diff --git a/scripts/input.h b/scripts/input.h
new file mode 100644
index 0000000..9d93948
--- /dev/null
+++ b/scripts/input.h
@@ -0,0 +1,40 @@
+#ifndef INPUT_H
+#define INPUT_H
+#include <raymath.h> 
+
+typedef struct {
+    Vector2 worldPosition;
+    float zoomSpeed;
+    float minZoom;
+    float maxZoom;
+    float scaleFactor;
+    float wheelMove;
+    bool leftButton;
+    bool rightButton;
+} Mouse;
+
+void UpdateMouse(Mouse *mouse, Camera2D *camera) {
+    mouse->worldPosition = GetScreenToWorld2D(GetMousePosition(), *camera);
+    mouse->leftButton = IsMouseButtonDown(MOUSE_LEFT_BUTTON);
+    mouse->rightButton = IsMouseButtonDown(MOUSE_RIGHT_BUTTON);
+    
+    // Calculate zoom scale factor
+    mouse->wheelMove = GetMouseWheelMove();
+    if (mouse->wheelMove != 0) {
+        float zoomFactor = 1.0f + (mouse->zoomSpeed * fabsf(mouse->wheelMove));
+        mouse->scaleFactor = (mouse->wheelMove < 0) ? (1.0f / zoomFactor) : zoomFactor;
+    } else {
+        mouse->scaleFactor = 1.0f;
+    }
+}
+
+void UpdateVectorOnInput(Vector2 *vector){
+    *vector = (Vector2){0.0f, 0.0f};
+    if (IsKeyDown(KEY_RIGHT) || IsKeyDown(KEY_D)){ vector->x += 1.0f; }
+    if (IsKeyDown(KEY_LEFT) || IsKeyDown(KEY_A)){ vector->x -= 1.0f; }
+    if (IsKeyDown(KEY_DOWN) || IsKeyDown(KEY_S)){ vector->y += 1.0f; }
+    if (IsKeyDown(KEY_UP) || IsKeyDown(KEY_W)){ vector->y -= 1.0f; }
+    if (Vector2Length(*vector) > 0.0f) { *vector = Vector2Normalize(*vector); }
+}
+
+#endif //INPUT_H
diff --git a/scripts/object.h b/scripts/object.h
index 22c7b4a..41753f5 100644
--- a/scripts/object.h
+++ b/scripts/object.h
@@ -1,11 +1,13 @@
 #ifndef OBJECT_H
 #define OBJECT_H
-#include <raylib.h> // Vector2, Rectangle, Color, GetRandomValue(), CheckCollisionRecs(), CheckCollisionPointRec()
-#include <stdio.h> // printf()
-#include <stdlib.h> // malloc(), realloc()
-#include "sprite.h" // Sprite
+#include <raylib.h> 
+#include <stdio.h> 
+#include <stdlib.h> 
+#include <raymath.h> 
+#include "sprite.h" 
 #include "vector.h"
 
+
 typedef struct {
     Sprite sprite;
     Vector2 position;
diff --git a/scripts/physics.h b/scripts/physics.h
new file mode 100644
index 0000000..bc5707e
--- /dev/null
+++ b/scripts/physics.h
@@ -0,0 +1,21 @@
+#ifndef PHYSICS_H
+#define PHYSICS_H
+#include <raylib.h>
+#include <raymath.h> 
+
+
+typedef struct {
+    Vector2 position;
+    Vector2 direction;
+    float speed;
+} Physics;
+
+Vector2 GetVelocity(Vector2 *direction, float *speed){
+    return Vector2Scale(*direction, *speed * GetFrameTime());
+}
+
+void Move(Vector2 *position, Vector2 *direction, float *speed) {
+    *position = Vector2Add(*position, GetVelocity(direction, speed));
+}
+
+#endif // PHYSICS_H
diff --git a/scripts/sprite.h b/scripts/sprite.h
index a416c09..6c60900 100644
--- a/scripts/sprite.h
+++ b/scripts/sprite.h
@@ -1,6 +1,7 @@
 #ifndef SPRITE_H
 #define SPRITE_H
 #include <raylib.h>
+#include <raymath.h> 
 
 typedef struct {
     Texture2D texture;      
@@ -22,6 +23,14 @@ void UpdateSpriteDestRec(Sprite *sprite, const Vector2 *vector){
     sprite->destRec.y = vector->y;
 }
 
+void UpdateSpriteRotation(Sprite *sprite, Vector2 *vector){
+    if(Vector2Length(*vector) <= 0.0f){
+        return;
+    }
+    float targetRotation = (float)atan2(vector->y, vector->x) * (180.0f / PI) + 90.0f;
+    sprite->rotation = Lerp(sprite->rotation, targetRotation, 0.1f); 
+}
+
 void RenderSprite(const Sprite *sprite){
     DrawTexturePro(
         sprite->texture, 
diff --git a/scripts/vector.h b/scripts/vector.h
index 12d9d99..8267718 100644
--- a/scripts/vector.h
+++ b/scripts/vector.h
@@ -1,6 +1,8 @@
 #ifndef VECTOR_H
 #define VECTOR_H
 #include <raylib.h>
+#include <stdlib.h> 
+#include <raymath.h> 
 
 typedef struct {
     Vector2 *data;