text with mapping and moveable star emitter

1 files changed, 120 insertions, 8 deletions

diff --git a/lasertext/src/ofApp.h b/lasertext/src/ofApp.h
index d87f37f..a78f0c2 100644
--- a/lasertext/src/ofApp.h
+++ b/lasertext/src/ofApp.h
@@ -6,9 +6,97 @@
 #include "ofxXmlSettings.h"
 
 #include "ofxHelios.h"
+#include "lineTransformer.h"
 #include "colourPolyline.h"
 
 
+class star{
+public:
+	star(ofVec2f p,ofVec2f v,float l){
+		pos=p;
+		vel=v;
+		birthday=ofGetElapsedTimef();
+		lifespan=l;
+	}
+	void update(vector<star>& stars){
+		pos+=vel;
+	}
+	ofVec2f pos;
+	ofVec2f vel;
+	float birthday;
+	float lifespan;
+};
+
+class starSystem{
+public:
+	vector<star> stars;
+	ofVec2f centre;
+	float radius;
+	float rate;
+	float speed;
+	float lifespan;
+	float agevar;	
+	float last;
+	starSystem(ofVec2f c=ofVec2f(0,0), float _rad=100,float r=0.5,float s=5.0,float l=5.0,float v=1.0){
+		init(c,_rad,r,s,l,v);
+	}
+	void init(ofVec2f c, float _rad,float r,float s,float l,float v){
+		centre=c;
+		radius=_rad;
+		rate=r;
+		speed=s;
+		lifespan=l;
+		agevar=v;
+	}
+	void update(){
+		float now=ofGetElapsedTimef();
+		float segment=now-last;
+		last=now;
+		for(auto it = stars.begin(); it != stars.end();)
+		{
+		    if(now-it->birthday>it->lifespan){
+		    	//ofLog()<<"erase star";
+		        it = stars.erase(it);
+		    }
+		    else {
+		    	//ofLog()<<"update star";
+		    	it->update(stars);
+		        ++it;
+		    }
+		}
+		if (ofRandom(rate)<segment){
+				float a=ofRandom(3.57f);
+				float r=ofRandom(radius);
+				ofVec2f offset=ofVec2f(cos(a)*r,sin(a)*r);
+		
+				stars.push_back(star(
+					offset,
+					ofVec2f(ofRandom(speed)-(speed/2),ofRandom(speed)-(speed/2)),
+					lifespan+ofRandom(agevar)-(agevar/2)
+					));
+				/*
+				ofLog()<<"create star: "<<
+				ofVec2f(ofRandom(ofGetWidth()),ofRandom(ofGetHeight()))<<", "<<
+				ofVec2f(ofRandom(speed)-(speed/2),ofRandom(speed)-(speed/2))<<" lifespan: "<<
+				lifespan+ofRandom(agevar)-(agevar/2);
+				*/
+					
+
+		}
+	}
+	vector<colourPolyline> getPoints(){
+		float now=ofGetElapsedTimef();
+		vector<colourPolyline> o;
+		for(auto& s:stars){
+			colourPolyline l;
+			//ofLog()<<"get star";
+			l.addVertex(centre.x+s.pos.x,centre.y+s.pos.y,ofColor(1.0f-((now-s.birthday)/s.lifespan)*128.0f));
+			l.addVertex(centre.x+s.pos.x+1,centre.y+s.pos.y+1,ofColor(1.0f-((now-s.birthday)/s.lifespan)*128.0f));
+			o.push_back(l);
+		}
+		return o;
+	}	
+};
 
 class glyph{
 public:
@@ -137,7 +225,7 @@ public:
 	    }
 
 	}
-	void createWords(string message,bool usePalette=true){
+	void createWords(string message,bool usePalette=false){
 		clear();
 		vector<string> m=split(message);
 		for (auto& word: m){
@@ -146,7 +234,8 @@ public:
 				w.glyphs.push_back(getGlyph(c,
 					usePalette?
 					palette[ofRandom(palette.size())]:
-					ofColor::fromHsb(ofRandom(255.0),225,255)
+					//112->231 hue sat 0->255 brightness 255
+					ofColor::fromHsb(ofRandom(119)+112,ofRandom(255),255)
 				));
 			}
 			words.push_back(w);
@@ -191,13 +280,13 @@ public:
         if (shape.size()) shapes.push_back(shape);
         return glyph(c,charWidth,shapes,col);
 	}
-	void addGlyph(char g,bool usePalette=true){
+	void addGlyph(char g,bool usePalette=false){
 		if (g==' ') words.push_back(glyphWord());
 		else {
 			words[words.size()-1].glyphs.push_back(getGlyph(g,
 				usePalette?
 				palette[ofRandom(palette.size())]:
-				ofColor::fromHsb(ofRandom(255.0),225,255)
+				ofColor::fromHsb(ofRandom(119)+112,ofRandom(255),255)
 			));
 		}
 	}
@@ -211,7 +300,7 @@ public:
 		}
 	}
 	void clear(){words.clear();}
-	void update(float speed=1.0f,float usePalette=true){
+	void update(float speed=1.0f,float usePalette=false){
 
 		float delta=ofGetElapsedTimef()-lastUpdateTime;
 		lastUpdateTime=ofGetElapsedTimef();
@@ -239,7 +328,7 @@ public:
 					g.colour=
 						usePalette?
 						palette[ofRandom(palette.size())]:
-						ofColor::fromHsb(ofRandom(255.0),225,255);
+						ofColor::fromHsb(ofRandom(119)+112,ofRandom(255),255);
 				}
 			}
 		}
@@ -255,7 +344,7 @@ public:
 					for (auto& o:g.outline){
 						auto q=o;
 						q.scale(s,-s);
-						q.translate(glm::vec3(p*s,0,0));
+						q.translate(glm::vec3(p*s,-ofGetHeight()/3,0));
 						outlines.push_back(colourPolyline(q,g.colour*w.amount));
 					}
 				}
@@ -286,6 +375,9 @@ class ofApp : public ofBaseApp{
 		void dragEvent(ofDragInfo dragInfo);
 		void gotMessage(ofMessage msg);
 
+		void default_settings();
+		void save_settings();
+
         ofxHelios laser;
 
         ofDirectory fonts;
@@ -293,8 +385,17 @@ class ofApp : public ofBaseApp{
         string displaytext;
         glyphbanner banner;
 
+        ofxPanel starsgui;
+		ofParameter<float> stars_x;
+		ofParameter<float> stars_y;
+        ofParameter<float> stars_radius;
+        ofParameter<float> stars_speed;
+        ofParameter<float> stars_life;
+
         ofxPanel textgui;
-		ofParameter<float> text_scale;
+		ofParameter<float> laser_scale;
+		ofParameter<float> laser_pos_x;
+		ofParameter<float> laser_pos_y;
         ofParameter<float> text_speed;
 
         //======= laser gui
@@ -309,4 +410,15 @@ class ofApp : public ofBaseApp{
 
         ofxXmlSettings XML;
 
+        starSystem stars;
+
+        glm::vec2 warpframe[4];
+		int select_warpframe;
+		bool bDrawFrame;	
+
+		ofPoint outputWindowSize;
+
+		ofPoint outputPosition;
+		float outputScale;
+
 };