create

mandelbulb/camera.py

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+from dataclasses import dataclass
+from tools import *
+
+import numpy as np
+
+class Camera:
+    def __init__(self, r1 : np.array, phi : float, theta : float):
+        assert r1.shape == (3,)
+
+        self.r1 = r1
+        self.r1_temp = 0, 0, 0
+
+        self.camThetaBase = 0
+        self.camPhiBase = 0
+
+        self.camTheta = theta
+        self.camPhi = phi
+
+        r1_temp = self.rotateCam()
+        self.camMat = self.getCam(r1_temp)
+
+
+    def getCam(self, r1):
+        camF = normalize(r1)
+        camR = normalize(cross(vec3(0, 1, 0), camF))
+        camU = cross(camF, camR)
+
+        mat_ = mat3(camR, camU, camF)
+        return mat_
+
+    def rotateCam(self):
+        yz = vec2(self.r1[1], self.r1[2])
+        new_yz = pR(yz, self.camTheta + self.camThetaBase)
+        xz = vec2(self.r1[0], new_yz[1])
+        new_xz = pR(xz, self.camPhi + self.camPhiBase)
+
+        vec = vec3(new_xz[0], new_yz[0], new_xz[1])
+
+
+        return vec
+
+    @staticmethod
+    def mouseToAngle(u_mouse, u_resolution):
+        m = (u_mouse - u_resolution / 2) / u_resolution
+        return m
+
+    def update(self):
+        self.r1_temp = self.rotateCam()
+        self.camMat = self.getCam(self.r1_temp)
+
+
+
+
+
+
+
+
+
+
+