mirror of
https://github.com/Relintai/pandemonium_engine.git
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67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
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#include "gsai_separation.h"
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#include "../gsai_steering_agent.h"
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#include "../gsai_target_acceleration.h"
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#include "../proximities/gsai_proximity.h"
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float GSAISeparation::get_decay_coefficient() const {
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return decay_coefficient;
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}
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void GSAISeparation::set_decay_coefficient(const float val) {
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decay_coefficient = val;
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}
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Ref<GSAITargetAcceleration> GSAISeparation::get_acceleration() {
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return acceleration;
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}
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void GSAISeparation::set_acceleration(const Ref<GSAITargetAcceleration> &val) {
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acceleration = val;
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}
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void GSAISeparation::_calculate_steering(Ref<GSAITargetAcceleration> p_acceleration) {
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acceleration = p_acceleration;
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acceleration->set_zero();
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ERR_FAIL_COND(!proximity.is_valid());
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proximity->find_neighbors(_callback);
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}
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bool GSAISeparation::_report_neighbor(Ref<GSAISteeringAgent> p_neighbor) {
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ERR_FAIL_COND_V(!agent.is_valid(), false);
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Vector3 to_agent = agent->get_position() - p_neighbor->get_position();
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float distance_squared = to_agent.length_squared();
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float acceleration_max = agent->get_linear_acceleration_max();
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float strength = decay_coefficient / distance_squared;
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if (strength > acceleration_max) {
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strength = acceleration_max;
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}
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acceleration->set_linear(acceleration->get_linear() + to_agent * (strength / sqrt(distance_squared)));
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return true;
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}
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GSAISeparation::GSAISeparation() {
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decay_coefficient = 1.0;
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}
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GSAISeparation::~GSAISeparation() {
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}
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void GSAISeparation::_bind_methods() {
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ClassDB::bind_method(D_METHOD("get_decay_coefficient"), &GSAISeparation::get_decay_coefficient);
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ClassDB::bind_method(D_METHOD("set_decay_coefficient", "value"), &GSAISeparation::set_decay_coefficient);
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ADD_PROPERTY(PropertyInfo(Variant::REAL, "decay_coefficient"), "set_decay_coefficient", "get_decay_coefficient");
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ClassDB::bind_method(D_METHOD("get_acceleration"), &GSAISeparation::get_acceleration);
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ClassDB::bind_method(D_METHOD("set_acceleration", "value"), &GSAISeparation::set_acceleration);
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "acceleration", PROPERTY_HINT_RESOURCE_TYPE, "GSAITargetAcceleration"), "set_acceleration", "get_acceleration");
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}
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