19 lines
539 B
Plaintext
19 lines
539 B
Plaintext
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/* SPDX-FileCopyrightText: 2011-2025 Blender Foundation
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*
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* SPDX-License-Identifier: Apache-2.0 */
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/* A basic perspective camera. */
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shader camera(float focal_length = 90.0,
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output point position = 0.0,
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output vector direction = 0.0,
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output color throughput = 1.0)
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{
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vector sensor_size;
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getattribute("cam:sensor_size", sensor_size);
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point Pcam = camera_shader_raster_position() - point(0.5);
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Pcam *= sensor_size / focal_length;
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direction = normalize(vector(Pcam.x, Pcam.y, 1.0));
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}
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