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49 lines
1.6 KiB
49 lines
1.6 KiB
#include "camera.hpp"
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#include <numbers>
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#include <cmath>
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Point CameraLOL::plan_move(Raycaster &rayview, int dir, bool strafe) {
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t = 0.0;
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if(strafe) {
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target_x = rayview.$pos_x + int(-rayview.$dir_y * 1.5 * dir);
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target_y = rayview.$pos_y + int(rayview.$dir_x * 1.5 * dir);
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} else {
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target_x = rayview.$pos_x + int(rayview.$dir_x * 1.5 * dir);
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target_y = rayview.$pos_y + int(rayview.$dir_y * 1.5 * dir);
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}
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return {size_t(target_x), size_t(target_y)};
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}
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void CameraLOL::plan_rotate(Raycaster &rayview, int dir) {
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t = 0.0;
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double angle_dir = std::numbers::pi * 0.25 * dir;
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target_dir_x = rayview.$dir_x * cos(angle_dir) - rayview.$dir_y * sin(angle_dir);
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target_dir_y = rayview.$dir_x * sin(angle_dir) + rayview.$dir_y * cos(angle_dir);
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target_plane_x = rayview.$plane_x * cos(angle_dir) - rayview.$plane_y * sin(angle_dir);
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target_plane_y = rayview.$plane_x * sin(angle_dir) + rayview.$plane_y * cos(angle_dir);
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}
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bool CameraLOL::play_rotate(Raycaster &rayview) {
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t += rot_speed;
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rayview.$dir_x = std::lerp(rayview.$dir_x, target_dir_x, t);
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rayview.$dir_y = std::lerp(rayview.$dir_y, target_dir_y, t);
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rayview.$plane_x = std::lerp(rayview.$plane_x, target_plane_x, t);
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rayview.$plane_y = std::lerp(rayview.$plane_y, target_plane_y, t);
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return t > 1.0;
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}
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bool CameraLOL::play_move(Raycaster &rayview) {
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t += move_speed;
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rayview.$pos_x = std::lerp(rayview.$pos_x, target_x, t);
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rayview.$pos_y = std::lerp(rayview.$pos_y, target_y, t);
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return t >= 1.0;
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}
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void CameraLOL::abort_plan(Raycaster& rayview) {
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target_x = rayview.$pos_x;
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target_y = rayview.$pos_y;
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}
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