From 03eacae3ff028f7e565b3aebf28af48a0b08c585 Mon Sep 17 00:00:00 2001
From: Tim Redfern <redfernt@gmail.com>
Date: Fri, 18 Aug 2023 15:53:23 +0100
Subject: starfield randomisation

---
 lasertext/src/ofApp.h | 53 +++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 47 insertions(+), 6 deletions(-)

(limited to 'lasertext/src/ofApp.h')

diff --git a/lasertext/src/ofApp.h b/lasertext/src/ofApp.h
index bd92da1..38038e3 100644
--- a/lasertext/src/ofApp.h
+++ b/lasertext/src/ofApp.h
@@ -10,6 +10,25 @@
 #include "colourPolyline.h"
 #include "vectortext.h"
 
+/*
+priorities 2023
+
+1. make the starfields dynamic / colour
+
+- different modes:
+
+	gravity
+
+	parameters changing on a cycle ie life, speed
+
+	overall 
+
+2. make the text display take an override sentence
+
+3. artnet receiver that makes (for instance) each letter of the text addreessable as if it was an LED
+
+*/
+
 class scannableColourPolyline: public colourPolyline{
 public:
 	bool operator < (const scannableColourPolyline& line) const {
@@ -47,6 +66,12 @@ public:
     ofParameter<float> speed;
     ofParameter<float> lifespan;
     ofParameter<bool> bScan;
+    ofParameter<float> mixprob;
+    ofParameter<bool> bRandomise;
+
+    float this_rate;
+    float last_rate;
+
 	starSystem(){
 	}
 	void init(string name="",int _gx=5, int _gy=5, float _x=0, float _y=0, float _rad=100,float r=0.5,float s=5.0,float l=5.0,float v=1.0){
@@ -54,18 +79,34 @@ public:
 		agevar=v;
 
 		gui.setup(name,"",_gx,_gy);
-		gui.add(x.set("x", _x, -2000.0f, 2000.0f));
-		gui.add(y.set("y", _y, -2000.0f, 2000.0f));
+		gui.add(x.set("x", _x, -4000.0f, 4000.0f));
+		gui.add(y.set("y", _y, -4000.0f, 4000.0f));
 		gui.add(rate.set("rate", r, 0.01f, 3.0f));
     	gui.add(radius.set("radius", _rad, 10.0f, 500.0f));
     	gui.add(speed.set("speed", s, 0.0f, 10.0f));
     	gui.add(lifespan.set("life", l, 3.0f, 10.0f));
     	gui.add(bScan.set("scan", true));
+    	gui.add(mixprob.set("mix probability", 0.001f, 0.0f, 0.01f));
+    	gui.add(bRandomise.set("randomise", true));
+
+    	this_rate=rate;
+		last_rate=rate;
 	}
 	void update(){
 		float now=ofGetElapsedTimef();
 		float segment=now-last;
 		last=now;
+
+		if (rate!=last_rate){
+			last_rate=rate;
+			this_rate=rate;
+		}
+
+		if (bRandomise&&(ofRandom(1.0f)<mixprob)){
+			stars.clear();
+			this_rate=ofRandom(rate);
+		}
+
 		for(auto it = stars.begin(); it != stars.end();)
 		{
 		    if(now-it->birthday>it->lifespan){
@@ -78,7 +119,7 @@ public:
 		        ++it;
 		    }
 		}
-		if (ofRandom(rate)<segment){
+		if (ofRandom(this_rate)<segment){
 				float a=ofRandom(3.57f);
 				float r=ofRandom(radius);
 				ofVec2f offset=ofVec2f(cos(a)*r,sin(a)*r);
@@ -179,9 +220,9 @@ class ofApp : public ofBaseApp{
 
         ofxXmlSettings XML;
 
-        //vector<starSystem> stars;
-
-        starSystem stars;
+        //vector<starSystem> stars //!!not easy
+        starSystem stars1;
+        starSystem stars2;
 
         glm::vec2 warpframe[4];
 		int select_warpframe;
-- 
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