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fix: raise the camera anchor so the head fits the frame #1

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fix: raise the camera anchor so the head fits the frame #1

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8 changes: 5 additions & 3 deletions crates/pocket-character/src/widget.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -247,11 +247,13 @@ impl Game for Widget {
// Camera: airi's VRM defaults — fov 40°, 1 m from the model anchor
// on the -Z side (VRM0 rigs face -Z; airi's default camera sits at
// z = -1 too).
// Anchor at chest height (airi frames the bust: head fills the top
// of its 450×600 stage) rather than the AABB midpoint.
// Anchor at upper-chest height rather than the AABB midpoint. airi
// frames the full head with headroom (docs/airi-vrm-stage.png); at
// 0.72 the 40° cone tops out below the crown and clips the hair —
// 0.78 keeps the whole head inside the frame on AvatarSample_A.
let aabb = model.aabb;
let height = aabb.1.y - aabb.0.y;
self.anchor = Vec3::new(0.0, aabb.0.y + height * 0.72, 0.0);
self.anchor = Vec3::new(0.0, aabb.0.y + height * 0.78, 0.0);
self.camera.fov_y = 40f32.to_radians();
self.camera.znear = 0.05;
self.camera.pos = self.anchor + Vec3::new(0.0, 0.0, -1.0);
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