Integrate hand fingertip force overlays

src/render.rs

@@ -73,14 +73,14 @@ const HAND_TIP_MATRICES: [HandTipMatrix; 5] = [
 const HAND_PALM_CHIPS: [HandPalmChip; 2] = [
     HandPalmChip {
         center_px: [530.0, 593.0],
-        size_px: [224.0, 68.0],
+        size_px: [258.0, 88.0],
         angle_rad: 0.12,
         rows: 5,
         cols: 14,
     },
     HandPalmChip {
         center_px: [610.0, 778.0],
-        size_px: [60.0, 190.0],
+        size_px: [82.0, 228.0],
         angle_rad: 0.05,
         rows: 11,
         cols: 4,
@@ -1203,8 +1203,7 @@ fn build_hand_dot_instances(
 
                 // Lay out a rows x cols matrix in fingertip-local pixel space.
                 let local_x = (col as f32 - cols as f32 / 2.0 + 0.5) / cols as f32 * tip.size_px[0];
-                let local_y = (row as f32 - rows as f32 / 2.0 + 0.5) / rows as f32
-                    * tip.size_px[1]
+                let local_y = (row as f32 - rows as f32 / 2.0 + 0.5) / rows as f32 * tip.size_px[1]
                     + HAND_TIP_DOT_LOCAL_Y_OFFSET_PX;
 
                 // Rotate the local matrix so it follows the direction of the finger.
@@ -1241,8 +1240,8 @@ fn build_hand_palm_dot_instances(
     for (chip_index, chip) in HAND_PALM_CHIPS.into_iter().enumerate() {
         let cos = chip.angle_rad.cos();
         let sin = chip.angle_rad.sin();
-        // Leave a bevel around the chip so the matrix reads as embedded pixels.
-        let active_size = [chip.size_px[0] * 0.72, chip.size_px[1] * 0.76];
+        // Palm films can float slightly beyond the hand artwork, similar to fingertip membranes.
+        let active_size = [chip.size_px[0] * 0.86, chip.size_px[1] * 0.86];
 
         for row in 0..chip.rows {
             for col in 0..chip.cols {
@@ -1278,13 +1277,7 @@ fn build_hand_palm_dot_instances(
     instances
 }
 
-fn hand_palm_pressure_index(
-    chip_index: usize,
-    row: u32,
-    col: u32,
-    rows: u32,
-    cols: u32,
-) -> usize {
+fn hand_palm_pressure_index(chip_index: usize, row: u32, col: u32, rows: u32, cols: u32) -> usize {
     if chip_index == 0 {
         (col * rows + (rows - 1 - row)) as usize
     } else {