Diff: Julia.h

Revision:

3:2dccfa0121de

diff -r 43ede88fb5a3 -r 2dccfa0121de Julia.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Julia.h	Fri Oct 30 01:26:40 2015 +0000
@@ -0,0 +1,358 @@
+#define REAL_CONSTANT -0.35//0.285
+#define IMG_CONSTANT  0.61//0.01
+
+#define REAL_CONSTANT2 -0.4
+#define IMG_CONSTANT2  0.6
+
+#define REAL_CONSTANT3  -0.70176
+#define IMG_CONSTANT3   0.3842
+
+#define REAL_CONSTANT4  -0.835
+#define IMG_CONSTANT4    0.2321
+
+#define REAL_CONSTANT5 -0.8
+#define IMG_CONSTANT5   0.156
+
+#define REAL_CONSTANT6 -0.74543
+#define IMG_CONSTANT6   0.11301
+
+#define REAL_CONSTANT7 -0.75
+#define IMG_CONSTANT7  0.11
+
+#define REAL_CONSTANT8 -0.1
+#define IMG_CONSTANT8   0.651
+
+
+#define REAL_CONSTANT9 0.001643721971153
+#define IMG_CONSTANT9  0.822467633298876
+
+#define ITERATION    256
+
+
+// rrrrrggggggbbbbb
+#define ASSEMBLE_RGB(r,g,b) ((r & 0xF8)<<8) | ((g & 0xFC)<<3) | ((b & 0xF8)>>3)
+
+
+typedef struct {
+    float x, y;
+} Complex; 
+
+Complex complexSquare(Complex c){
+    Complex cSq;
+    cSq.x = c.x * c.x - c.y * c.y;
+    cSq.y = 2 * c.x * c.y;
+    return cSq;
+} 
+
+int iterate (Complex zInit, int maxIter){
+    Complex z = zInit;
+    int cnt = 0;
+    while((z.x * z.x + z.y * z.y <= 4)&& (cnt < maxIter)){
+        z = complexSquare(z);
+        z.x += zInit.x;
+        z.y += zInit.y;
+        cnt++;
+    }
+    return cnt;
+}
+
+void mandelbrot(int nx, int ny, int maxIter, float realMin, float realMax, float imagMin, float imagMax){
+    float realInc = (realMax - realMin) / nx;
+    float imagInc = (imagMax - imagMin) / ny;
+    int color =0;
+    Complex z;
+    int x, y;
+    int cnt;
+    for(x = 0, z.x = realMin; x < nx; x++, z.x += realInc)
+       for(y = 0, z.y = imagMin; y < ny; y++, z.y += imagInc ){
+            cnt = iterate(z, maxIter);
+            if(cnt == maxIter)
+                color = ASSEMBLE_RGB(0, 0, 0);
+            else{
+                color = ASSEMBLE_RGB(cnt*5, 15*cnt, cnt*3);
+            }
+            myGLCD.drawPixel(x, y, color);
+       }
+}
+
+
+
+
+
+
+void Julia(uint16_t size_x, uint16_t size_y, uint16_t offset_x, uint16_t offset_y, uint16_t zoom, float constanta)
+{
+  float tmp1, tmp2;
+  float num_real, num_img;
+  float radius;
+  uint8_t i;
+  uint16_t x,y;
+  for (y=0; y<size_y; y++)
+  {
+    for (x=0; x<size_x; x++)
+    {
+      num_real = y - offset_y;
+      num_real = num_real / zoom;
+      num_img = x - offset_x;
+      num_img = num_img / zoom;
+      i=0;
+      radius = 0;
+      while ((i<ITERATION-1) && (radius < 8)) 
+        {
+          tmp1 = num_real * num_real;
+          tmp2 = num_img * num_img;
+          num_img = 2*num_real*num_img + constanta ;//IMG_CONSTANT;
+          num_real = tmp1 - tmp2 +constanta ;//REAL_CONSTANT;
+          radius = tmp1 + tmp2;
+          i++;
+        }
+      myGLCD.drawPixel(y,x,ASSEMBLE_RGB(i*1,i*2,i*3));
+    }
+  }
+}
+
+void Julia2(uint16_t size_x, uint16_t size_y, uint16_t offset_x, uint16_t offset_y, uint16_t zoom)
+{
+  float tmp1, tmp2;
+  float num_real, num_img;
+  float radius;
+  uint8_t i;
+  uint16_t x,y;
+  for (y=0; y<size_y; y++)
+  {
+    for (x=0; x<size_x; x++)
+    {
+      num_real = y - offset_y;
+      num_real = num_real / zoom;
+      num_img = x - offset_x;
+      num_img = num_img / zoom;
+      i=0;
+      radius = 0;
+      while ((i<ITERATION-1) && (radius < 4))
+        {
+          tmp1 = num_real * num_real;
+          tmp2 = num_img * num_img;
+          num_img = 2*num_real*num_img + IMG_CONSTANT2;
+          num_real = tmp1 - tmp2 + REAL_CONSTANT2;
+          radius = tmp1 + tmp2;
+          i++;
+        }
+      myGLCD.drawPixel(x,y,ASSEMBLE_RGB(i*8,i*18,i*13));
+    }
+  }
+}
+
+void Julia3(uint16_t size_x, uint16_t size_y, uint16_t offset_x, uint16_t offset_y, uint16_t zoom)
+{
+  float tmp1, tmp2;
+  float num_real, num_img;
+  float radius;
+  uint8_t i;
+  uint16_t x,y;
+  for (y=0; y<size_y; y++)
+  {
+    for (x=0; x<size_x; x++)
+    {
+      num_real = y - offset_y;
+      num_real = num_real / zoom;
+      num_img = x - offset_x;
+      num_img = num_img / zoom;
+      i=0;
+      radius = 0;
+      while ((i<ITERATION-1) && (radius < 4))
+        {
+          tmp1 = num_real * num_real;
+          tmp2 = num_img * num_img;
+          num_img = 2*num_real*num_img + IMG_CONSTANT3;
+          num_real = tmp1 - tmp2 + REAL_CONSTANT3;
+          radius = tmp1 + tmp2;
+          i++;
+        }
+      myGLCD.drawPixel(x,y,ASSEMBLE_RGB(i*12,i*38,i*18));
+    }
+  }
+}
+
+void Julia4(uint16_t size_x, uint16_t size_y, uint16_t offset_x, uint16_t offset_y, uint16_t zoom)
+{
+  float tmp1, tmp2;
+  float num_real, num_img;
+  float radius;
+  uint8_t i;
+  uint16_t x,y;
+  for (y=0; y<size_y; y++)
+  {
+    for (x=0; x<size_x; x++)
+    {
+      num_real = y - offset_y;
+      num_real = num_real / zoom;
+      num_img = x - offset_x;
+      num_img = num_img / zoom;
+      i=0;
+      radius = 0;
+      while ((i<ITERATION-1) && (radius < 4))
+        {
+          tmp1 = num_real * num_real;
+          tmp2 = num_img * num_img;
+          num_img = 2*num_real*num_img + IMG_CONSTANT4;
+          num_real = tmp1 - tmp2 + REAL_CONSTANT4;
+          radius = tmp1 + tmp2;
+          i++;
+        }
+      myGLCD.drawPixel(x,y,ASSEMBLE_RGB(i*8,i*18,i*38));
+    }
+  }
+}
+
+void Julia5(uint16_t size_x, uint16_t size_y, uint16_t offset_x, uint16_t offset_y, uint16_t zoom)
+{
+  float tmp1, tmp2;
+  float num_real, num_img;
+  float radius;
+  uint8_t i;
+  uint16_t x,y;
+  for (y=0; y<size_y; y++)
+  {
+    for (x=0; x<size_x; x++)
+    {
+      num_real = y - offset_y;
+      num_real = num_real / zoom;
+      num_img = x - offset_x;
+      num_img = num_img / zoom;
+      i=0;
+      radius = 0;
+      while ((i<ITERATION-1) && (radius < 4))
+        {
+          tmp1 = num_real * num_real;
+          tmp2 = num_img * num_img;
+          num_img = 2*num_real*num_img + IMG_CONSTANT5;
+          num_real = tmp1 - tmp2 + REAL_CONSTANT5;
+          radius = tmp1 + tmp2;
+          i++;
+        }
+      myGLCD.drawPixel(x,y,ASSEMBLE_RGB(256-i*8,256-i*18,256-i*38));
+    }
+  }
+}
+
+void Julia6(uint16_t size_x, uint16_t size_y, uint16_t offset_x, uint16_t offset_y, uint16_t zoom)
+{
+  float tmp1, tmp2;
+  float num_real, num_img;
+  float radius;
+  uint8_t i;
+  uint16_t x,y;
+  for (y=0; y<size_y; y++)
+  {
+    for (x=0; x<size_x; x++)
+    {
+      num_real = y - offset_y;
+      num_real = num_real / zoom;
+      num_img = x - offset_x;
+      num_img = num_img / zoom;
+      i=0;
+      radius = 0;
+      while ((i<ITERATION-1) && (radius < 4))
+        {
+          tmp1 = num_real * num_real;
+          tmp2 = num_img * num_img;
+          num_img = 2*num_real*num_img + IMG_CONSTANT6;
+          num_real = tmp1 - tmp2 + REAL_CONSTANT6;
+          radius = tmp1 + tmp2;
+          i++;
+        }
+      myGLCD.drawPixel(x,y,ASSEMBLE_RGB(i*25,i*18,i*15));
+    }
+  }
+}
+void Julia7(uint16_t size_x, uint16_t size_y, uint16_t offset_x, uint16_t offset_y, uint16_t zoom)
+{
+  float tmp1, tmp2;
+  float num_real, num_img;
+  float radius;
+  uint8_t i;
+  uint16_t x,y;
+  for (y=0; y<size_y; y++)
+  {
+    for (x=0; x<size_x; x++)
+    {
+      num_real = y - offset_y;
+      num_real = num_real / zoom;
+      num_img = x - offset_x;
+      num_img = num_img / zoom;
+      i=0;
+      radius = 0;
+      while ((i<ITERATION-1) && (radius < 4))
+        {
+          tmp1 = num_real * num_real;
+          tmp2 = num_img * num_img;
+          num_img = 2*num_real*num_img + IMG_CONSTANT7;
+          num_real = tmp1 - tmp2 + REAL_CONSTANT7;
+          radius = tmp1 + tmp2;
+          i++;
+        }
+      myGLCD.drawPixel(x,y,ASSEMBLE_RGB(i*8,i*5,i*38));
+    }
+  }
+}
+void Julia8(uint16_t size_x, uint16_t size_y, uint16_t offset_x, uint16_t offset_y, uint16_t zoom)
+{
+  float tmp1, tmp2;
+  float num_real, num_img;
+  float radius;
+  uint8_t i;
+  uint16_t x,y;
+  for (y=0; y<size_y; y++)
+  {
+    for (x=0; x<size_x; x++)
+    {
+      num_real = y - offset_y;
+      num_real = num_real / zoom;
+      num_img = x - offset_x;
+      num_img = num_img / zoom;
+      i=0;
+      radius = 0;
+      while ((i<ITERATION-1) && (radius < 4))
+        {
+          tmp1 = num_real * num_real;
+          tmp2 = num_img * num_img;
+          num_img = 2*num_real*num_img + IMG_CONSTANT8;
+          num_real = tmp1 - tmp2 + REAL_CONSTANT8;
+          radius = tmp1 + tmp2;
+          i++;
+        }
+      myGLCD.drawPixel(x,y,ASSEMBLE_RGB(i*24,i*18,i*10));
+    }
+  }
+}
+
+void Julia9(uint16_t size_x, uint16_t size_y, uint16_t offset_x, uint16_t offset_y, uint16_t zoom)
+{
+  float tmp1, tmp2;
+  float num_real, num_img;
+  float radius;
+  uint8_t i;
+  uint16_t x,y;
+  for (y=0; y<size_y; y++)
+  {
+    for (x=0; x<size_x; x++)
+    {
+      num_real = y - offset_y;
+      num_real = num_real / zoom;
+      num_img = x - offset_x;
+      num_img = num_img / zoom;
+      i=0;
+      radius = 0;
+      while ((i<ITERATION-1) && (radius < 4))
+        {
+          tmp1 = num_real * num_real;
+          tmp2 = num_img * num_img;
+          num_img = 2*num_real*num_img - IMG_CONSTANT9; //+
+          num_real = tmp1 - tmp2 - REAL_CONSTANT9;  // -   +
+          radius = tmp1 + tmp2; //+
+          i++;
+        }
+      myGLCD.drawPixel(x,y,ASSEMBLE_RGB(i*8,i*18,i*38));
+    }
+  }
+}