47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/*
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* Copyright Luka Jankovic 2025
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*
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* This file is part of Kubo.
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*
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* Kubo is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* Kubo is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* Kubo. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "kubo_camera.h"
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void kubo_camera_zoom(Camera2D *camera) {
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float wheel = GetMouseWheelMove();
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if (wheel != 0) {
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Vector2 mouseWorldPos = GetScreenToWorld2D(GetMousePosition(), *camera);
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camera->offset = GetMousePosition();
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camera->target = mouseWorldPos;
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float scale = 0.2f * wheel;
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camera->zoom = Clamp(expf(logf(camera->zoom) + scale), 0.125f, 64.0f);
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}
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}
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void kubo_camera_pan(Camera2D *camera) {
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Vector2 delta = GetMouseDelta();
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delta = Vector2Scale(delta, -1.0f / camera->zoom);
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kubo_camera_shift(camera, delta);
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}
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void kubo_camera_shift(Camera2D *camera, Vector2 delta) {
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camera->target = Vector2Add(camera->target, delta);
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}
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void kubo_camera_reset(Camera2D *camera) {
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camera->target = (Vector2){ .x = 0, .y = 0 };
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camera->offset = (Vector2){ .x = 0, .y = 0 };
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camera->zoom = 1.0f;
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}
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