X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2FCharacter.cc;h=840099c8fcd97cd1cffb17d7a9010a635d0c383f;hp=accad6512ecc4e0ffc185a528bbc495b13a423f6;hb=ed5fcf5f1357fc42749408f705e9ec55531ff006;hpb=d5b4262bc0c6cea41c603e8a3a85ab93adfdc36b diff --git a/src/Character.cc b/src/Character.cc index accad65..840099c 100644 --- a/src/Character.cc +++ b/src/Character.cc @@ -1,30 +1,13 @@ -/******************************************************************************* - - Copyright (c) 2009, Charles McGarvey - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -*******************************************************************************/ +/*] Copyright (c) 2009-2010, Charles McGarvey [************************** +**] All rights reserved. +* +* vi:ts=4 sw=4 tw=75 +* +* Distributable under the terms and conditions of the 2-clause BSD license; +* see the file COPYING for a complete text of the license. +* +**************************************************************************/ #include @@ -32,101 +15,245 @@ #include "Log.hh" +class SpringForce +{ +public: + + explicit SpringForce(Mf::Vector2 x) : + location(x) {} + + const Mf::Vector2& operator () (const Mf::LinearState<2>& state) + { + Mf::Vector2 x = state.position - location; + Mf::Scalar mag = x.length(); + Mf::Scalar d = 0.0; + + // spring: + //mState.force += -15.0 * x - 1.5 * mState.velocity; + force = SCALAR(-10.0) * (mag - d) * (x / mag);// - SCALAR(2.0) * state.velocity; + + return force; + } + +private: + + Mf::Vector2 force; + Mf::Vector2 location; +}; + +class ResistanceForce +{ +public: + + explicit ResistanceForce(Mf::Scalar scale = 1.0) : + k(scale) {} + + const Mf::Vector2& operator () (const Mf::LinearState<2>& state) + { + force = -k * state.velocity; + return force; + } + +private: + + Mf::Vector2 force; + Mf::Scalar k; +}; + + Character::Character(const std::string& name) : - tilemap_(name), - animation_(name) + tilemap(name), + animation(name) { - current.mass = 1.0; - current.inverseMass = 1.0 / current.mass; + mState.init(); - // gravity - current.force = Mf::Vector2(0.0, -120.0); + mState.mass = 1.0; + mState.inverseMass = 1.0 / mState.mass; + + // forces + mState.force = Mf::Vector2(0.0, 0.0); + //mState.forces.push_back(SpringForce(Mf::Vector2(5.0, 4.0))); + //mState.forces.push_back(ResistanceForce(2.0)); + //mState.forces.push_back(Mf::LinearState<2>::GravityForce(-9.8)); // starting position - current.position = Mf::Vector2(64.0, 64.0); - current.momentum = Mf::Vector2(0.0, 0.0); - current.recalculate(); + mState.position = Mf::Vector2(5.0, 5.0); + mState.momentum = Mf::Vector2(0.0, 0.0); + mState.recalculate(); - previous = current; + mPrevState = mState; } void Character::update(Mf::Scalar t, Mf::Scalar dt) { - previous = current; - - Mf::Vector2 x = current.position - Mf::Vector2(500.0, 200.0); - Mf::Scalar mag = x.length(); - Mf::Scalar d = 50.0; + Mf::RigidBody2::update(t, dt); // update physics - // gravity: - current.force = Mf::Vector2(0.0, -2000.0); - // spring: - //current.force += -15.0 * x - 1.5 * current.velocity; - current.force += -20.0 * (mag - d) * (x / mag) - 2.0 * current.velocity; - // internal: - current.force += userForce; - current.recalculate(); - //std::cout << "force: " << current.momentum << std::endl; + animation.update(t, dt); - Mf::euler(current, t, dt); + Mf::Vector3 center(mState.position[0], mState.position[1], 0.0); + Mf::Vector3 a(mState.position[0] - 0.5, mState.position[1] - 0.5, 0.0); + Mf::Vector3 b(mState.position[0] + 0.5, mState.position[1] + 0.5, 0.0); - animation_.update(t, dt); + mAabb.init(a, b); + mSphere.init(center, a); } void Character::draw(Mf::Scalar alpha) const { - State state = cml::lerp(previous, current, alpha); + Mf::State2 state = getState(alpha); + Mf::Vector2 position = state.position; //glColor3f(1.0f, 1.0f, 1.0f); - tilemap_.bind(); + tilemap.bind(); - Mf::Tilemap::Index frame = animation_.getFrame(); + Mf::Texture::TileIndex frame = animation.getFrame(); + Mf::Texture::Orientation orientation = Mf::Texture::NORMAL; - Mf::Tilemap::Orientation orientation = Mf::Tilemap::NORMAL; - - if (current.velocity[0] < 0.0) orientation = Mf::Tilemap::REVERSE; + if (mState.velocity[0] < 0.0) orientation = Mf::Texture::REVERSE; Mf::Scalar coords[8]; - tilemap_.getTileCoords(frame, coords, orientation); + tilemap.getTileCoords(frame, coords, orientation); - Mf::Scalar s = 16.0; + Mf::Scalar s = 0.5; glBegin(GL_TRIANGLE_FAN); - glTexCoord2f(coords[0], coords[1]); - glVertex3(state.position[0]-s, state.position[1]-s, z); - glTexCoord2f(coords[2], coords[3]); - glVertex3(state.position[0]+s, state.position[1]-s, z); - glTexCoord2f(coords[4], coords[5]); - glVertex3(state.position[0]+s, state.position[1]+s, z); - glTexCoord2f(coords[6], coords[7]); - glVertex3(state.position[0]-s, state.position[1]+s, z); + glTexCoord(coords[0], coords[1]); + glVertex(position[0]-s, position[1]-s); + glTexCoord(coords[2], coords[3]); + glVertex(position[0]+s, position[1]-s); + glTexCoord(coords[4], coords[5]); + glVertex(position[0]+s, position[1]+s); + glTexCoord(coords[6], coords[7]); + glVertex(position[0]-s, position[1]+s); glEnd(); +} - //glColor3f(0.0f, 0.0f, 0.0f); - Mf::Texture::resetBind(); - glBegin(GL_TRIANGLES); - glVertex3(480.0, 190.0, 64.0); - glVertex3(520.0, 190.0, 64.0); - glVertex3(500.0, 210.0, 64.0); - glEnd(); - - //glColor3f(1.0f, 1.0f, 1.0f); +/*int Character::getOctant(const Mf::Aabb<3>& aabb) const +{ + int octantNum = -1; + + Mf::Plane::Halfspace halfspace; + + Mf::Plane xy = aabb.getPlaneXY(); + halfspace = xy.intersects(mSphere); + if (halfspace == Mf::Plane::INTERSECT) + { + halfspace = xy.intersects(mAabb); + } + + if (halfspace == Mf::Plane::POSITIVE) + { + Mf::Plane xz = aabb.getPlaneXZ(); + halfspace = xz.intersects(mSphere); + if (halfspace == Mf::Plane::INTERSECT) + { + halfspace = xz.intersects(mAabb); + } + + if (halfspace == Mf::Plane::POSITIVE) + { + Mf::Plane yz = aabb.getPlaneYZ(); + halfspace = yz.intersects(mSphere); + if (halfspace == Mf::Plane::INTERSECT) + { + halfspace = yz.intersects(mAabb); + } + + if (halfspace == Mf::Plane::POSITIVE) + { + octantNum = 2; + } + else if (halfspace == Mf::Plane::NEGATIVE) + { + octantNum = 3; + } + } + else if (halfspace == Mf::Plane::NEGATIVE) + { + Mf::Plane yz = aabb.getPlaneYZ(); + halfspace = yz.intersects(mSphere); + if (halfspace == Mf::Plane::INTERSECT) + { + halfspace = yz.intersects(mAabb); + } + + if (halfspace == Mf::Plane::POSITIVE) + { + octantNum = 1; + } + else if (halfspace == Mf::Plane::NEGATIVE) + { + octantNum = 0; + } + } + } + else if (halfspace == Mf::Plane::NEGATIVE) + { + Mf::Plane xz = aabb.getPlaneXZ(); + halfspace = xz.intersects(mSphere); + if (halfspace == Mf::Plane::INTERSECT) + { + halfspace = xz.intersects(mAabb); + } + + if (halfspace == Mf::Plane::POSITIVE) + { + Mf::Plane yz = aabb.getPlaneYZ(); + halfspace = yz.intersects(mSphere); + if (halfspace == Mf::Plane::INTERSECT) + { + halfspace = yz.intersects(mAabb); + } + + if (halfspace == Mf::Plane::POSITIVE) + { + octantNum = 6; + } + else if (halfspace == Mf::Plane::NEGATIVE) + { + octantNum = 7; + } + } + else if (halfspace == Mf::Plane::NEGATIVE) + { + Mf::Plane yz = aabb.getPlaneYZ(); + halfspace = yz.intersects(mSphere); + if (halfspace == Mf::Plane::INTERSECT) + { + halfspace = yz.intersects(mAabb); + } + + if (halfspace == Mf::Plane::POSITIVE) + { + octantNum = 5; + } + else if (halfspace == Mf::Plane::NEGATIVE) + { + octantNum = 4; + } + } + } + + return octantNum; } +*/ -Mf::Tilemap& Character::getTilemap() +void Character::addImpulse(Mf::Vector2 impulse) { - return tilemap_; + mState.momentum += impulse; } -Mf::Animation& Character::getAnimation() +void Character::addForce(Mf::Vector2 force) { - return animation_; + mState.force += force; } - -/** vim: set ts=4 sw=4 tw=80: *************************************************/ +void Character::setPosition(Mf::Vector2 position) +{ + mState.position = position; +}