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#include "bird.h"
/*
keep track of the high-level properties of the bird here
activate and control sequences of targets in the morphmesh
finally drawAnimated()
*/
bird::bird()
{
if (model.loadMesh("Bird-poses.xml")) printf("mesh loaded with %i vertices, %i face indices, %i targets\n",model.getNumVertices(),model.getNumIndices(),model.getNumTargets());
else printf("mesh XML file not parsed\n");
if (model.loadSeqs("Bird-anim.xml")) printf("animation loaded with %i sequences\n",model.getNumSequences());
else printf("animation XML file not parsed\n");
model.sequences["flap"].start();
currentseq="hover";
texture.loadImage("TextureBird.jpg");
//starting pos
position=ofVec3f(ofGetWidth()/2,ofGetHeight(),-ofGetHeight()/10);
heading=-90;
direction=ofVec3f(0,-1,0); //director for a heading of 0, level
velocity=ofGetWidth()/50;
turnRate=20;
diveRate=0;
fieldofview=60;
lastTime=ofGetElapsedTimef();
centrePoint=ofVec2f(ofGetWidth()/2,600); //quick and dirty
}
bird::~bird()
{
//dtor
}
void bird::update(map<int,player>& players, float angle,vector<ofPoint> border){
float time=ofGetElapsedTimef();
float timeSeg=time-lastTime;
lastTime=time;
heading=heading+(turnRate*timeSeg);
while (heading>180) heading=heading-360;
while (heading <-180) heading=heading+360;
position-=direction.rotated(heading,ofVec3f(0,0,-1))*velocity*timeSeg; //.rotate(heading,ofVec3f(0,1,0))
//absolute ray pointer
pointer=ofRay(position.rotated(angle,ofVec3f(1,0,0)),-direction.rotated(heading,ofVec3f(0,0,-1)).rotated(angle,ofVec3f(1,0,0))*1000.0f,false);
ofRay relpointer=ofRay(position,-direction.rotated(heading,ofVec3f(0,0,-1))*1000.0f,false);
playang.clear();
playdist.clear();
playpos.clear();
playhead.clear();
playdip.clear();
map<int,player>::iterator it;
for (it=players.begin();it!=players.end();it++) {
if (it->second.active) {
ofVec3f p=it->second.getWorldPosition()-position;
playang.push_back(p.angle(-direction.rotated(heading,ofVec3f(0,0,-1))));
playdist.push_back(p.length());
playpos.push_back(it->second.getWorldPosition());
float headif=(atan2(it->second.getWorldPosition().x-position.x,it->second.getWorldPosition().y-position.y)*RAD_TO_DEG)-heading;
while (headif>180) headif=headif-360;
while (headif <-180) headif=headif+360;
playhead.push_back(headif);
}
}
//check if flying out of play
ofVec3f futurepos=position-direction.rotated(heading,ofVec3f(0,0,-1))*velocity*2.0;
ofPoint futurepoint=ofPoint(futurepos.x,futurepos.y);
centrehead=atan2(position.x-centrePoint.x,position.y-centrePoint.y)*RAD_TO_DEG;
while (centrehead>180) centrehead=centrehead-360;
while (centrehead <-180) centrehead=centrehead+360;
if (OutsidePolygon(border,futurepoint)) {
//if (ofVec
leaving=true;
turnRate=centrehead/5;
}
else {
leaving=false;
//fly towards nearest visible player
int nearest=-1;
float distance=9999;
for(int i=0;i<playhead.size();i++) {
if ((abs(playhead[i])<(fieldofview/2))&&playdist[i]<distance) {
nearest=i;
distance=playdist[i];
}
}
if (nearest>-1) turnRate=-playhead[nearest];
}
}
void bird::draw(){
glEnable(GL_DEPTH_TEST);
ofPushMatrix();
ofTranslate(position);
ofRotate(90,0,0,1);
ofRotate(90,-1,0,0);
ofRotate(heading+90,0,1,0);
ofSetHexColor(0xffffff);
ofScale(.25,.25,.25);
bindTexture(texture);
model.drawAnimated();
unbindTexture(texture);
ofPopMatrix();
glDisable(GL_DEPTH_TEST);
}
void bird::drawShadow(){
ofPushMatrix();
ofTranslate(position);
ofRotate(90,0,0,1);
ofRotate(90,-1,0,0);
ofRotate(heading+90,0,1,0);
ofSetHexColor(0x303030);
ofTranslate(0,(-ofGetHeight()/4)+5,0);
ofScale(.15,0,.15);
model.drawAnimated();
ofPopMatrix();
}
void bird::drawDebug(){
if (leaving) ofSetHexColor(0xff0000);
else ofSetHexColor(0xff00ff);
ofLine(pointer.s,pointer.s+1000*pointer.t);
}
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