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author | Yann Herklotz <ymherklotz@gmail.com> | 2017-05-19 20:08:23 +0100 |
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committer | Yann Herklotz <ymherklotz@gmail.com> | 2017-05-19 20:08:23 +0100 |
commit | 3308d13ad04fac43e7a111b299ff9444aea4ab9f (patch) | |
tree | 54a91113f75e506318101acf3151d3b11d309e96 /src/rigidbody.cpp | |
parent | e15b2c6dd405d008d9e892608c209fd980bcd8ff (diff) | |
download | YAGE-3308d13ad04fac43e7a111b299ff9444aea4ab9f.tar.gz YAGE-3308d13ad04fac43e7a111b299ff9444aea4ab9f.zip |
Adding math to yage
Diffstat (limited to 'src/rigidbody.cpp')
-rw-r--r-- | src/rigidbody.cpp | 34 |
1 files changed, 5 insertions, 29 deletions
diff --git a/src/rigidbody.cpp b/src/rigidbody.cpp index d8b963de..f92500b8 100644 --- a/src/rigidbody.cpp +++ b/src/rigidbody.cpp @@ -3,35 +3,11 @@ namespace yage { -RigidBody::RigidBody(const glm::vec2 ¢er_of_mass, double mass, const glm::vec2 &force, const glm::vec2 &velocity, bool gravity) : - Body(center_of_mass, mass, force, velocity, gravity) +RigidBody::RigidBody(const glm::vec2 &position, + double mass, + const glm::vec2 &velocity, + bool gravity) : + ParticleBody(position, mass, velocity, gravity) {} -void RigidBody::applyForce(const glm::vec2 &force) -{ - force_+=force; -} - -void RigidBody::update() -{ - // set the time_step for 60fps - double time_step=1.0/60.0; - - // set the last acceleration - glm::vec2 last_acceleration=acceleration_; - - // update the position of the body - center_of_mass_.x+=velocity_.x*time_step+(0.5*last_acceleration.x*time_step*time_step); - center_of_mass_.y+=velocity_.y*time_step+(0.5*last_acceleration.y*time_step*time_step); - - // update the acceleration - acceleration_=glm::vec2(force_.x/mass_, force_.y/mass_); - glm::vec2 avg_acceleration=glm::vec2((acceleration_.x+last_acceleration.x)/2, - (acceleration_.y+last_acceleration.y)/2); - - // update the velocity of the body - velocity_.x+=avg_acceleration.x*time_step; - velocity_.y+=avg_acceleration.y*time_step; -} - } // yage |