Movement is now much smoother for the easing functions and I can pan around better, but it's hard coded to only do pan at the moment.

animation.cpp

@@ -1,7 +1,9 @@
 #include "animation.hpp"
 #include "rand.hpp"
+#include <cmath>
 
 namespace components {
+
   void Animation::play() {
     if(!playing) {
       current = 0;
@@ -11,7 +13,7 @@ namespace components {
   }
 
   float Animation::twitching() {
-    float tick = ease::sine(float(frames) / (subframe + 0.0001) * ease_rate);
+    float tick = 1 - std::powf(ease_rate, subframe + 0.0001);
 
     switch(easing) {
       case ease::NONE:
@@ -21,13 +23,15 @@ namespace components {
       case ease::OUT_CIRC:
         return ease::out_circ(tick);
       case ease::OUT_BOUNCE:
-        return ease::sine(ease::out_bounce(tick));
+        return ease::out_bounce(tick);
       case ease::IN_OUT_BACK:
-        return ease::sine(ease::in_out_back(tick));
+        return ease::in_out_back(tick);
       case ease::RANDOM:
         return Random::uniform_real(0.0001f, 1.0f);
       case ease::NORM_DIST:
         return Random::normal(0.5f, 0.1f);
+      case ease::LINEAR:
+        return tick;
       default:
         dbc::sentinel(
             fmt::format("Invalid easing {} given to animation",
@@ -65,8 +69,8 @@ namespace components {
           scale_out.y = std::lerp(min_y, max_y, tick);
         } break;
         case ease::SLIDE: {
-          pos_out.x += std::lerp(pos_out.x, pos_out.x + max_x, tick);
+          pos_out.x = std::lerp(min_x, max_x, tick);
-          pos_out.y += std::lerp(pos_out.y, pos_out.y + max_y, tick);
+          pos_out.y = std::lerp(min_y, max_y, tick);
         } break;
         default:
           dbc::sentinel("Unknown animation.motion setting.");

assets/animations.json

@@ -156,7 +156,7 @@
     "max_y": 1.2,
     "simple": true,
     "frames": 1,
-    "speed": 0.6,
+    "speed": 0.2,
     "scaled": true,
     "stationary": false,
     "toggled": false,
@@ -192,7 +192,7 @@
     "max_y": 1.1,
     "simple": true,
     "frames": 10,
-    "speed": 1.0,
+    "speed": 0.2,
     "scaled": true,
     "stationary": false,
     "toggled": false,
@@ -235,24 +235,6 @@
     "flipped": false,
     "looped": false
   },
-  "rat_king_boss": {
-    "_type": "Animation",
-    "easing": 4,
-    "motion": 0,
-    "ease_rate": 0.5,
-    "min_x": 0.6,
-    "min_y": 0.6,
-    "max_x": 0.8,
-    "max_y": 0.8,
-    "simple": false,
-    "frames": 2,
-    "speed": 0.02,
-    "scaled": true,
-    "stationary": true,
-    "toggled": false,
-    "flipped": false,
-    "looped": false
-  },
   "torch_fixture": {
     "_type": "Animation",
     "easing": 0,

assets/cameras.json

@@ -1,12 +1,12 @@
 {
   "pan": {
     "_type": "Animation",
-    "easing": 2,
+    "easing": 7,
     "motion": 7,
-    "ease_rate": 0.05,
+    "ease_rate": 0.001,
-    "min_x": 0,
+    "min_x": 0.0,
-    "min_y": 0,
+    "min_y": 0.0,
-    "max_x": 150.0,
+    "max_x": 0.0,
     "max_y": 0.0,
     "simple": true,
     "frames": 1,
@@ -40,8 +40,8 @@
     "easing": 1,
     "motion": 0,
     "ease_rate": 0.5,
-    "min_x": 1.3,
+    "min_x": 0.8,
-    "min_y": 1.3,
+    "min_y": 0.8,
     "max_x": 1.0,
     "max_y": 1.0,
     "simple": true,

camera.cpp

@@ -40,8 +40,15 @@ namespace cinematic {
     anim = MGR.animations.at(name);
   }
 
+  void Camera::position(float x, float y) {
+    anim.min_x = x;
+    anim.min_y = y;
+  }
+
   void Camera::move(sf::RenderTexture& target, sf::Vector2f pos) {
     sf::View zoom;
+    anim.max_x = pos.x;
+    anim.max_y = pos.y;
     anim.apply(zoom, pos, size);
     target.setView(zoom);
   }

camera.hpp

@@ -14,6 +14,7 @@ namespace cinematic {
     void move(sf::RenderTexture& target, sf::Vector2f pos);
     bool playing();
     void play();
+    void position(float x, float y);
     void style(const std::string &name);
   };
 

easings.hpp

@@ -10,7 +10,8 @@ namespace ease {
     OUT_BOUNCE=3,
     IN_OUT_BACK=4,
     RANDOM=5,
-    NORM_DIST=6
+    NORM_DIST=6,
+    LINEAR=7
   };
 
   enum Motion {

storyboard/ui.cpp

@@ -3,13 +3,12 @@
 #include "animation.hpp"
 
 namespace storyboard {
-
   UI::UI() :
     $view_texture({SCREEN_WIDTH, SCREEN_HEIGHT}),
     $view_sprite($view_texture.getTexture())
   {
     $view_sprite.setPosition({0, 0});
-    $camera.style("dolly");
+    $camera.style("pan");
   }
 
   void UI::init() {
@@ -31,6 +30,7 @@ namespace storyboard {
       zoom($zoom_target);
     }
 
+    $view_texture.clear();
     $ui.render($view_texture);
     $ui.debug_layout($view_texture);
     $view_texture.display();
@@ -38,17 +38,13 @@ namespace storyboard {
   }
 
   bool UI::mouse(float x, float y, guecs::Modifiers mods) {
+    auto& cell = $ui.cell_for($zoom_target);
+    $camera.position(cell.mid_x, cell.mid_y);
+
+    $zoom_target = *$ui.$parser.hit(x, y);
 
-    if(zoomed) {
-      zoomed = false;
-      reset();
-    } else {
-      zoomed = true;
-      auto target = $ui.$parser.hit(x, y);
-      $zoom_target = *target;
     zoom($zoom_target);
     $camera.play();
-    }
 
     return $ui.mouse(x, y, mods);
   }

storyboard/ui.hpp

@@ -10,8 +10,7 @@ namespace storyboard {
     sf::RenderTexture $view_texture;
     sf::Sprite $view_sprite;
     cinematic::Camera $camera;
-    std::string $zoom_target;
+    std::string $zoom_target = "a";
-    bool zoomed = false;
 
     UI();