43 lines
1.6 KiB
Python
43 lines
1.6 KiB
Python
# Copyright (C) 2022 RozK
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from engine import vec3_origin, mat4, mat4_projection, mat4_orbit, set_input_mat4
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class Camera:
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__slots__ = 'yaw', 'pitch', 'distance', 'projection', 'view'
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def __init__(self):
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self.yaw = 0.0
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self.pitch = 0.0
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self.distance = 0.0
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self.projection = mat4()
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self.view = mat4()
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def set_projection(self, half_fov, ratio, near_z, far_z):
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mat4_projection(self.projection, half_fov, ratio, near_z, far_z)
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def set_view(self, yaw, pitch, distance):
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self.yaw = yaw
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self.pitch = pitch
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self.distance = distance
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mat4_orbit(self.view, vec3_origin, yaw, pitch, distance)
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def to_km(self):
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mat4_orbit(self.view, vec3_origin, self.yaw, self.pitch, self.distance * 0.001)
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def set_inputs(self, shader):
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set_input_mat4(shader.u_projection, self.projection)
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set_input_mat4(shader.u_view, self.view)
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