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John Fernandez
a390b5a01a
* Remove old interpolate angles quick * Remove old interpolate functions These are no longer used. * Add linear interpolate vm function More clearing functions * Add physics snapshot struct to silo interpolation Two of these two functions require an object pointer, so they cannot be in physics_state.cpp With doxygen documentation * Try to placate Linux * Address Feedback * And update declaration, of course * Attempt to appease linter
83 lines
4.1 KiB
C
83 lines
4.1 KiB
C
#pragma once
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#include "globalincs/pstypes.h"
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#include "math/vecmat.h"
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// This is designed to be a small API that generalizes the FSO physics state of an object
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// and allows interpolation between two states. Timing is not handled here however.
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struct physics_snapshot {
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vec3d position; // the position at that moment.
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matrix orientation; // the orientation at that moment.
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vec3d velocity; // the velocity at that moment.
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vec3d desired_velocity; // the desired velocity at that moment.
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vec3d rotational_velocity; // the rotational velocity at that moment.
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vec3d desired_rotational_velocity; // the desired rotational velocity at that moment.
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};
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/**
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* @brief Interpolate two physics snapshots and get the result
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*
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* @param[out] result Destination of the interpolated info
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* @param[in] before The physics information that happened earlier in the simulation
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* @param[in] after The physics information that happened later in the simulation
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* @param[in] percent How much time has passed between the two states, in percent.
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* 0.00 means use only before, 1.00 means use only after, 0.50 would interpolate halfway between them.
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*
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* @details This takes two physics snapshots of objects and uses linear interpolation to figure out
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* where the objects would be given a specific time factor (percent "progress" towards after).
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*
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* @author J Fernandez
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*/
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void physics_interpolate_snapshots(physics_snapshot& result, const physics_snapshot& before, const physics_snapshot& after, const float percent);
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/**
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* @brief Apply the contents of a physics state to manually specified variables
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*
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* @param[out] position Destination of the snapshot's position values
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* @param[out] orient Destination of the snapshot's orientation values
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* @param[out] velocity Destination of the snapshot's velocity values
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* @param[out] desired_velocity Destination of the snapshot's desired velocity
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* @param[in] source Physics object that we are copying the values from
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*
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* @details Apply a physics state to manually specified vectors and matrices.
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* This overload does not include rotational velocity or desired rotational velocity.
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*
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* @author J Fernandez
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*/
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void physics_apply_snapshot_manual(vec3d& position, matrix& orient, vec3d& velocity, vec3d& desired_velocity, const physics_snapshot& source);
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/**
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* @brief Apply the contents of a physics state to manually specified variables
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*
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* @param[out] position Destination of the snapshot's position values
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* @param[out] orient Destination of the snapshot's orientation values
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* @param[out] velocity Destination of the snapshot's velocity values
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* @param[out] desired_velocity Destination of the snapshot's desired velocity
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* @param[out] rotational_velocity Destination of the snapshot's rotational velocity
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* @param[out] desired_rotaional_velocity Destination of the snapshot's desired rotational velocity
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* @param[in] source Physics object that we are copying the values from
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*
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* @details Apply a physics state to manually specified vectors and matrices.
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*
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* @author J Fernandez
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*/
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void physics_apply_snapshot_manual(vec3d& position, matrix& orient, vec3d& velocity, vec3d& desired_velocity, vec3d& rotational_velocity, vec3d& desired_rotational_velocity, const physics_snapshot& source);
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/**
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* @brief Populate a physics snapshot by specifying each input vector and matrix
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*
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* @param[out] destination Destination physics snapshot
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* @param[in] position Position vector for populating the snapshot
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* @param[in] orient Matrix orientation for populating the snapshot
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* @param[in] velocity Velocity vector for populating the snapshot
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* @param[in] desired_velocity The desired velocity vector for populating the snapshot
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* @param[in] rotational_velocity The rotational velocity vector for populating the snapshot
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* @param[in] desired_rotational_velocity The desired rotational velocity vector for populating the snapshot
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*
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* @author J Fernandez
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*/
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void physics_populate_snapshot_manual(physics_snapshot& destination, const vec3d& position, const matrix& orient, const vec3d& velocity, const vec3d& desired_velocity, const vec3d& rotational_velocity, const vec3d& desired_rotational_velocity);
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