From da8aa4744e38251e579d1aa1103f7fefbd5f3226 Mon Sep 17 00:00:00 2001
From: ValKmjolnir <lhk101lhk101@qq.com>
Date: Sun, 21 Aug 2022 00:26:16 +0800
Subject: [PATCH] :memo: add compilation time & update test/ppmgen.nas

---
 main.cpp        |  2 +-
 test/ppmgen.nas | 55 ++++++++++++++++++++++++++++++-------------------
 2 files changed, 35 insertions(+), 22 deletions(-)

diff --git a/main.cpp b/main.cpp
index b5cef16..143bcb8 100644
--- a/main.cpp
+++ b/main.cpp
@@ -52,7 +52,7 @@ void logo()
     <<"   /  \\/ / _` / __|/ _` | |\n"
     <<"  / /\\  / (_| \\__ \\ (_| | |\n"
     <<"  \\_\\ \\/ \\__,_|___/\\__,_|_|\n"
-    <<"nasal ver : "<<__nasver<<" ("<<__DATE__<<")\n"
+    <<"nasal ver : "<<__nasver<<" ("<<__DATE__<<" "<<__TIME__<<")\n"
     <<"c++ std   : "<<__cplusplus<<"\n"
     <<"thanks to : https://github.com/andyross/nasal\n"
     <<"code repo : https://github.com/ValKmjolnir/Nasal-Interpreter\n"
diff --git a/test/ppmgen.nas b/test/ppmgen.nas
index fa80fd8..b837548 100644
--- a/test/ppmgen.nas
+++ b/test/ppmgen.nas
@@ -1,24 +1,37 @@
-var RD=func(i,j){
-    return bits.u32_and(255,j/255*255.999);
-}
-var GR=func(i,j){
-    return bits.u32_and(255,i/255*255.999);
-}
-var BL=func(i,j){
-    return bits.u32_and(255,0.25*255.999);
-}
-var pixel_write=func(fd,i,j){
-    var color=RD(i,j)~" "~GR(i,j)~" "~BL(i,j)~" ";
-    io.write(fd,color);
+import.stl.process_bar;
+
+var ppm=func(filename,width,height,RGB){
+    # P3 use ASCII number
+    # P6 use binary character
+    var fd=io.open(filename,"wb");
+    io.write(fd,"P3\n"~width~" "~height~"\n255\n");
+    for(var i=0;i<height;i+=1){
+        for(var j=0;j<width;j+=1)
+            io.write(fd,RGB(i,j));
+        io.write(fd,"\n");
+    }
+    io.close(fd);
 }
 
-var fd=io.open("a.ppm","wb");
-# P3 use ASCII number
-# P6 use binary character
-io.write(fd,"P3\n256 256\n255\n");
-for(var i=255;i>=0;i-=1){
-    for(var j=0;j<256;j+=1)
-        pixel_write(fd,i,j);
-    io.write(fd,"\n");
+var width=1280;
+var height=720;
+var bar=process_bar.bar(front:os.platform()=="windows"?"sharp":"block",back:"point",sep:"line",length:50);
+var f=func(i,j){
+    var (yMin,yMax,xMin,xMax)=(-0.9,0.9,-2.2,1);
+    var (yDel,xDel)=(yMax-yMin,xMax-xMin);
+    var (y,x)=((i/height)*yDel+yMin,(j/width)*xDel+xMin);
+    var (x0,y0)=(x,y);
+    for(var iter=0;iter<25;iter+=1){
+        var (x1,y1)=((x0*x0)-(y0*y0)+x,2*x0*y0+y);
+        (x0,y0)=(x1,y1);
+        if((x0*x0)+(y0*y0)>4){
+            break;
+        }
+    }
+    var progress=(i*width+j+1)/(width*height);
+    print(bar.bar(progress)," ",progress*100,"%          \r");
+    iter=int(iter/25*255);
+    return iter~" "~iter~" "~iter~" ";
 }
-io.close(fd);
\ No newline at end of file
+ppm("a.ppm",width,height,f);
+println("\nfinished.");