1 files changed, 217 insertions, 0 deletions
diff --git a/demontsc/lib/TVout/examples/DemoPAL/DemoPAL.pde b/demontsc/lib/TVout/examples/DemoPAL/DemoPAL.pde
new file mode 100755
index 0000000..80cc885
--- /dev/null
+++ b/demontsc/lib/TVout/examples/DemoPAL/DemoPAL.pde
@@ -0,0 +1,217 @@
+#include <TVout.h>
+#include <fontALL.h>
+#include "schematic.h"
+#include "TVOlogo.h"
+
+TVout TV;
+
+int zOff = 150;
+int xOff = 0;
+int yOff = 0;
+int cSize = 50;
+int view_plane = 64;
+float angle = PI/60;
+
+float cube3d[8][3] = {
+  {xOff - cSize,yOff + cSize,zOff - cSize},
+  {xOff + cSize,yOff + cSize,zOff - cSize},
+  {xOff - cSize,yOff - cSize,zOff - cSize},
+  {xOff + cSize,yOff - cSize,zOff - cSize},
+  {xOff - cSize,yOff + cSize,zOff + cSize},
+  {xOff + cSize,yOff + cSize,zOff + cSize},
+  {xOff - cSize,yOff - cSize,zOff + cSize},
+  {xOff + cSize,yOff - cSize,zOff + cSize}
+};
+unsigned char cube2d[8][2];
+
+
+void setup() {
+  TV.begin(PAL,120,96);
+  TV.select_font(font6x8);
+  intro();
+  TV.println("I am the TVout\nlibrary running on a freeduino\n");
+  TV.delay(2500);
+  TV.println("I generate a PAL\nor NTSC composite  video using\ninterrupts\n");
+  TV.delay(2500);
+  TV.println("My schematic:");
+  TV.delay(1500);
+  TV.bitmap(0,0,schematic);
+  TV.delay(10000);
+  TV.clear_screen();
+  TV.println("Lets see what\nwhat I can do");
+  TV.delay(2000);
+  
+  //fonts
+  TV.clear_screen();
+  TV.println(0,0,"Multiple fonts:");
+  TV.select_font(font4x6);
+  TV.println("4x6 font FONT");
+  TV.select_font(font6x8);
+  TV.println("6x8 font FONT");
+  TV.select_font(font8x8);
+  TV.println("8x8 font FONT");
+  TV.select_font(font6x8);
+  TV.delay(2000);
+  
+  TV.clear_screen();
+  TV.print(9,44,"Draw Basic Shapes");
+  TV.delay(2000);
+  
+  //circles
+  TV.clear_screen();
+  TV.draw_circle(TV.hres()/2,TV.vres()/2,TV.vres()/3,WHITE);
+  TV.delay(500);
+  TV.draw_circle(TV.hres()/2,TV.vres()/2,TV.vres()/2,WHITE,INVERT);
+  TV.delay(2000);
+  
+  //rectangles and lines
+  TV.clear_screen();
+  TV.draw_rect(20,20,80,56,WHITE);
+  TV.delay(500);
+  TV.draw_rect(10,10,100,76,WHITE,INVERT);
+  TV.delay(500);
+  TV.draw_line(60,20,60,76,INVERT);
+  TV.draw_line(20,48,100,48,INVERT);
+  TV.delay(500);
+  TV.draw_line(10,10,110,86,INVERT);
+  TV.draw_line(10,86,110,10,INVERT);
+  TV.delay(2000);
+  
+  //random cube forever.
+  TV.clear_screen();
+  TV.print(16,40,"Random Cube");
+  TV.print(28,48,"Rotation");
+  TV.delay(2000);
+  
+  randomSeed(analogRead(0));
+}
+
+void loop() {
+  int rsteps = random(10,60);
+  switch(random(6)) {
+    case 0:
+      for (int i = 0; i < rsteps; i++) {
+        zrotate(angle);
+        printcube();
+      }
+      break;
+    case 1:
+      for (int i = 0; i < rsteps; i++) {
+        zrotate(2*PI - angle);
+        printcube();
+      }
+      break;
+    case 2:
+      for (int i = 0; i < rsteps; i++) {
+        xrotate(angle);
+        printcube();
+      }
+      break;
+    case 3:
+      for (int i = 0; i < rsteps; i++) {
+        xrotate(2*PI - angle);
+        printcube();
+      }
+      break;
+    case 4:
+      for (int i = 0; i < rsteps; i++) {
+        yrotate(angle);
+        printcube();
+      }
+      break;
+    case 5:
+      for (int i = 0; i < rsteps; i++) {
+        yrotate(2*PI - angle);
+        printcube();
+      }
+      break;
+  }
+}
+
+void intro() {
+unsigned char w,l,wb;
+  int index;
+  w = pgm_read_byte(TVOlogo);
+  l = pgm_read_byte(TVOlogo+1);
+  if (w&7)
+    wb = w/8 + 1;
+  else
+    wb = w/8;
+  index = wb*(l-1) + 2;
+  for ( unsigned char i = 1; i < l; i++ ) {
+    TV.bitmap((TV.hres() - w)/2,0,TVOlogo,index,w,i);
+    index-= wb;
+    TV.delay(50);
+  }
+  for (unsigned char i = 0; i < (TV.vres() - l)/2; i++) {
+    TV.bitmap((TV.hres() - w)/2,i,TVOlogo);
+    TV.delay(50);
+  }
+  TV.delay(3000);
+  TV.clear_screen();
+}
+
+void printcube() {
+  //calculate 2d points
+  for(byte i = 0; i < 8; i++) {
+    cube2d[i][0] = (unsigned char)((cube3d[i][0] * view_plane / cube3d[i][2]) + (TV.hres()/2));
+    cube2d[i][1] = (unsigned char)((cube3d[i][1] * view_plane / cube3d[i][2]) + (TV.vres()/2));
+  }
+  TV.delay_frame(1);
+  TV.clear_screen();
+  draw_cube();
+}
+
+void zrotate(float q) {
+  float tx,ty,temp;
+  for(byte i = 0; i < 8; i++) {
+    tx = cube3d[i][0] - xOff;
+    ty = cube3d[i][1] - yOff;
+    temp = tx * cos(q) - ty * sin(q);
+    ty = tx * sin(q) + ty * cos(q);
+    tx = temp;
+    cube3d[i][0] = tx + xOff;
+    cube3d[i][1] = ty + yOff;
+  }
+}
+
+void yrotate(float q) {
+  float tx,tz,temp;
+  for(byte i = 0; i < 8; i++) {
+    tx = cube3d[i][0] - xOff;
+    tz = cube3d[i][2] - zOff;
+    temp = tz * cos(q) - tx * sin(q);
+    tx = tz * sin(q) + tx * cos(q);
+    tz = temp;
+    cube3d[i][0] = tx + xOff;
+    cube3d[i][2] = tz + zOff;
+  }
+}
+
+void xrotate(float q) {
+  float ty,tz,temp;
+  for(byte i = 0; i < 8; i++) {
+    ty = cube3d[i][1] - yOff;
+    tz = cube3d[i][2] - zOff;
+    temp = ty * cos(q) - tz * sin(q);
+    tz = ty * sin(q) + tz * cos(q);
+    ty = temp;
+    cube3d[i][1] = ty + yOff;
+    cube3d[i][2] = tz + zOff;
+  }
+}
+
+void draw_cube() {
+  TV.draw_line(cube2d[0][0],cube2d[0][1],cube2d[1][0],cube2d[1][1],WHITE);
+  TV.draw_line(cube2d[0][0],cube2d[0][1],cube2d[2][0],cube2d[2][1],WHITE);
+  TV.draw_line(cube2d[0][0],cube2d[0][1],cube2d[4][0],cube2d[4][1],WHITE);
+  TV.draw_line(cube2d[1][0],cube2d[1][1],cube2d[5][0],cube2d[5][1],WHITE);
+  TV.draw_line(cube2d[1][0],cube2d[1][1],cube2d[3][0],cube2d[3][1],WHITE);
+  TV.draw_line(cube2d[2][0],cube2d[2][1],cube2d[6][0],cube2d[6][1],WHITE);
+  TV.draw_line(cube2d[2][0],cube2d[2][1],cube2d[3][0],cube2d[3][1],WHITE);
+  TV.draw_line(cube2d[4][0],cube2d[4][1],cube2d[6][0],cube2d[6][1],WHITE);
+  TV.draw_line(cube2d[4][0],cube2d[4][1],cube2d[5][0],cube2d[5][1],WHITE);
+  TV.draw_line(cube2d[7][0],cube2d[7][1],cube2d[6][0],cube2d[6][1],WHITE);
+  TV.draw_line(cube2d[7][0],cube2d[7][1],cube2d[3][0],cube2d[3][1],WHITE);
+  TV.draw_line(cube2d[7][0],cube2d[7][1],cube2d[5][0],cube2d[5][1],WHITE);
+}