feat: move_camera.txt 支持 all 关键词表示全程执行

在帧位置写 all 表示该段对所有帧生效：
  all  vx=0.1  ry=0.5    # 全程缓慢平移 + 旋转

等同于 start=0, end=INF，与普通区间段一样支持时间交叠。

compute.py

@@ -108,11 +108,14 @@ def _load_camera_motion(path):
             line = line.strip()
             if not line or line.startswith("#"):
                 continue
-            # 解析帧范围
-            m = re.match(r'(\d+)\s*-\s*(\d+)', line)
-            if not m:
-                continue
-            start, end = int(m.group(1)), int(m.group(2))
+            # 解析帧范围：支持 "all"（全程）或 "N-M"（区间）
+            if line.lower().startswith("all") or re.match(r'^\s*all\s', line, re.IGNORECASE):
+                start, end = 0, 10**9
+            else:
+                m = re.match(r'(\d+)\s*-\s*(\d+)', line)
+                if not m:
+                    continue
+                start, end = int(m.group(1)), int(m.group(2))
             v = [0.0, 0.0, 0.0]
             r = [0.0, 0.0, 0.0]
             # 解析 vx=, vy=, vz=

draw.py

@@ -570,10 +570,14 @@ def _load_move_camera_txt():
             line = line.strip()
             if not line or line.startswith("#"):
                 continue
-            m = _re.match(r'(\d+)\s*-\s*(\d+)', line)
-            if not m:
-                continue
-            start, end = int(m.group(1)), int(m.group(2))
+            # 解析帧范围：支持 "all"（全程）或 "N-M"（区间）
+            if line.lower().startswith("all") or _re.match(r'^\s*all\s', line, _re.IGNORECASE):
+                start, end = 0, 10**9  # 用极大值表示全程
+            else:
+                m = _re.match(r'(\d+)\s*-\s*(\d+)', line)
+                if not m:
+                    continue
+                start, end = int(m.group(1)), int(m.group(2))
             v, r = [0.0, 0.0, 0.0], [0.0, 0.0, 0.0]
             for i, axis in enumerate(['x', 'y', 'z']):
                 m2 = _re.search(r'v' + axis + r'\s*=\s*([-\d.]+)', line)

dynamics.py

@@ -50,10 +50,14 @@ def _load_camera_kf(config, runtime_base):
             line = line.strip()
             if not line or line.startswith("#"):
                 continue
-            m = re.match(r'(\d+)\s*-\s*(\d+)', line)
-            if not m:
-                continue
-            start, end = int(m.group(1)), int(m.group(2))
+            # 解析帧范围：支持 "all"（全程）或 "N-M"（区间）
+            if line.lower().startswith("all") or re.match(r'^\s*all\s', line, re.IGNORECASE):
+                start, end = 0, 10**9
+            else:
+                m = re.match(r'(\d+)\s*-\s*(\d+)', line)
+                if not m:
+                    continue
+                start, end = int(m.group(1)), int(m.group(2))
             v, r = [0.0, 0.0, 0.0], [0.0, 0.0, 0.0]
             for i, axis in enumerate(['x', 'y', 'z']):
                 m2 = re.search(r'v' + axis + r'\s*=\s*([-\d.]+)', line)

examples/case06/input/move_camera.txt

@@ -5,5 +5,5 @@
 #     rx → elevation（俯仰）, ry → azimuth（方位）, rz → (预留)
 #
 # 示例：前60帧向右平移+绕x旋转，30-90帧向上平移+绕y绕z旋转
-1-60   vx=0.02  rx=1
-30-90  vy=0.02  ry=1  rz=1
+all   vx=0.02
+# 30-90  vy=0.02  ry=1  rz=1