修复一个十分严重的公式错误

core.py

@@ -141,12 +141,12 @@ def fun_calculus_pw(theta, max_w):
         abc = 123
         pass
     w_samples, d_w = np.linspace(0, max_w, int(max_w / w_fineness) + 1, retstep=True)
-    for cal_w in w_samples[: -1]:
+    for cal_w in w_samples[:-1]:
         r_pw += (
             (
-                abs(angel_density(cal_w)) * math.sin(theta - cal_w + math.pi)
+                abs(angel_density(cal_w)) * math.sin(theta - (cal_w - math.pi / 2))
                 + abs(angel_density(cal_w + d_w))
-                * math.sin(theta - cal_w - d_w + math.pi)
+                * math.sin(theta - (cal_w + d_w - math.pi / 2))
             )
             / 2
         ) * d_w
@@ -154,7 +154,7 @@ def fun_calculus_pw(theta, max_w):
 
 
 def calculus_bd(theta, rc, rs, rg, dgc, h_cav, h_gav):  # 对θ进行积分
-    max_w=0
+    max_w = 0
     # 求暴露弧上一点的切线
     line_x = math.cos(theta) * rc + dgc
     line_y = math.sin(theta) * rc + h_cav