1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
#include "viewpoint.h"
#define DEBUG 1
void viewpoint::setup(map<string,string>&settings){
//setup(float w, float h, float x, float y) {
if (DEBUG) printf("window: %f,%f %fx%f n",ofGetWidth()*ofToFloat(settings["x"]),ofGetHeight()*ofToFloat(settings["y"]),ofGetWidth()*ofToFloat(settings["w"]),ofGetHeight()*ofToFloat(settings["h"]));
window=ofRectangle(ofGetWidth()*ofToFloat(settings["x"]),ofGetHeight()*ofToFloat(settings["y"]),ofGetWidth()*ofToFloat(settings["w"]),ofGetHeight()*ofToFloat(settings["h"]));
distortFactor=ofToFloat(settings["distort"]);
renderFBO.allocate(window.width,window.height,GL_RGB);
//todo: load/save from xml
fov=17.25;
aspect=1.79;
near=1;
far=20;
vars=new keyVar[8];
vars[0].set('w','s',17.25,0.5,1.0,3.0);
vars[1].set('g','d',0.0,10,1.0,3.0);
vars[2].set('r','v',112,10,1.0,3.0);
vars[3].set('t','c',0.0,10,1.0,3.0);
vars[4].set('u','n',0.0,10,1.0,3.0);
vars[5].set('j','h',0.0,10,1.0,3.0);
vars[6].set('o','l',1000.0,10,1.0,3.0);
vars[7].set('q','a',0,.000001,1.0,3.0);
light.enable();
light.setDirectional();
}
double viewpoint::getSetting(const string& setting){
if (setting=="x") return window.x/ofGetWidth();
if (setting=="y") return window.y/ofGetHeight();
if (setting=="w") return window.width/ofGetWidth();
if (setting=="h") return window.height/ofGetHeight();
if (setting=="distort") return distortFactor;
}
//--------------------------------------------------------------
void viewpoint::setLight(){
target.setPosition(vars[1].getVal(),vars[2].getVal(),vars[3].getVal());
camera.orbit(vars[5].getVal(), vars[4].getVal(), vars[6].getVal(), target);
camera.lookAt(target,ofVec3f(0,1,0));
light.setPosition(camera.getGlobalPosition());
}
//--------------------------------------------------------------
void viewpoint::begin(){
renderFBO.begin();
ofClear(0,0,0);
camera.begin();
camera.setFov(vars[0].getVal());
}
//--------------------------------------------------------------
void viewpoint::end(){
camera.end();
renderFBO.end();
ofPushMatrix();
bindTexture(renderFBO);
ofNoFill();
ofSetLineWidth(1.0);
//ofSetColor(I_fade1,I_fade1,I_fade1);
int gridX=50;
int gridY=50;
int xStep=window.width/2;
int yStep=window.height/2;
ofTranslate(window.x+xStep,window.y+yStep);
//todo: distort texcoords instead of vertex coords
for (float i = -1; i < 1.001; i+=(2.0f/gridY)){
glBegin(GL_QUAD_STRIP);
ofPoint p0;
ofPoint p1;
for (float j = -1; j < 1.001; j+=(2.0f/gridX)){
p0=distort(ofPoint(j,i-(2.0f/gridY)),vars[7].getVal());
p1=distort(ofPoint(j,i),vars[7].getVal());
glTexCoord2f((j+1)*0.5,((i-(2.0f/gridY))+1)*0.5);
glVertex3f(p0.x*xStep,p0.y*yStep,-0.1);
glTexCoord2f((j+1)*0.5,(i+1)*0.5);
glVertex3f(p1.x*xStep,p1.y*yStep,-0.1);
}
glEnd();
}
ofFill();
unbindTexture(renderFBO);
ofPopMatrix();
ofSetHexColor(0xFFFFFF);
ofDrawBitmapString("camera: "+ofToString(camera.getX(), 2)+","+ofToString(camera.getY(), 2)+","+ofToString(camera.getZ(), 2), window.x+10, window.y+window.height-30);
ofDrawBitmapString("light: "+ofToString(light.getX(), 2)+","+ofToString(light.getY(), 2)+","+ofToString(light.getZ(), 2), window.x+10, window.y+window.height-18);
}
//--------------------------------------------------------------
void viewpoint::keyPressed(int key){
for (int i=0;i<8;i++) vars[i].keyPressed(key);
if (DEBUG) printf("fov: %f distort: %f\n",vars[0].getVal(),vars[7].getVal());
}
//--------------------------------------------------------------
void viewpoint::keyReleased(int key){
for (int i=0;i<8;i++) vars[i].keyReleased(key);
}
|
