gr-sim: rotate

gr-sim/rotate_wipe/Makefile

@@ -6,7 +6,7 @@ SDL_LIBS= `sdl-config --libs`
 SDL_INCLUDE= `sdl-config --cflags`
 GR_SIM = ../gr-sim.a
 
-all:	rotate
+all:	rotate rotate_zoom_in rotate_zoom_out
 
 
 ####
@@ -17,12 +17,29 @@ all:	rotate
 ####
 
 rotate:	rotate.o $(GR_SIM)
-	$(CC) $(LFLAGS) $(SDL_LIBS) -o rotate rotate.o $(GR_SIM)
+	$(CC) -o rotate rotate.o $(GR_SIM) $(SDL_LIBS) $(LFLAGS)
 
 rotate.o:	rotate.c demo_title.c
 	$(CC) $(CFLAGS) -c rotate.c
 
 ####
 
+rotate_zoom_in:	rotate_zoom_in.o $(GR_SIM)
+	$(CC) -o rotate_zoom_in rotate_zoom_in.o $(GR_SIM) $(SDL_LIBS) $(LFLAGS)
+
+rotate_zoom_in.o:	rotate_zoom_in.c demo_title.c
+	$(CC) $(CFLAGS) -c rotate_zoom_in.c
+
+####
+
+rotate_zoom_out:	rotate_zoom_out.o $(GR_SIM)
+	$(CC) -o rotate_zoom_out rotate_zoom_out.o $(GR_SIM) $(SDL_LIBS) $(LFLAGS)
+
+rotate_zoom_out.o:	rotate_zoom_out.c demo_title.c
+	$(CC) $(CFLAGS) -c rotate_zoom_out.c
+
+
+####
+
 clean:	
-	rm -f *~ *.o rotate
+	rm -f *~ *.o rotate rotate_zoom_in rotate_zoom_out

gr-sim/rotate_wipe/rotate_zoom_in.c

@@ -0,0 +1,96 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <math.h>
+
+#include "gr-sim.h"
+#include "tfv_utils.h"
+#include "tfv_zp.h"
+
+#include "demo_title.c"
+
+int main(int argc, char **argv) {
+
+	int xx,yy,ch,color,x2,y2;
+	double h,theta,dx,dy,theta2,thetadiff,nx,ny;
+	int frame=0;
+	double scale=1.0;
+
+	grsim_init();
+	gr();
+
+//	clear_screens();
+
+	ram[DRAW_PAGE]=PAGE0;
+	clear_bottom();
+	ram[DRAW_PAGE]=PAGE1;
+	clear_bottom();
+	ram[DRAW_PAGE]=PAGE2;
+	clear_bottom();
+
+
+//	clear_bottom(PAGE0);
+//	clear_bottom(PAGE1);
+//	clear_bottom(PAGE2);
+
+//	grsim_unrle(demo_rle,0x400);
+	grsim_unrle(demo_rle,0xc00);
+
+//	gr_copy_to_current(0xc00);
+//	page_flip();
+//	gr_copy_to_current(0xc00);
+//	page_flip();
+
+	ram[DRAW_PAGE]=PAGE0;
+
+	thetadiff=0;
+
+	while(1) {
+		grsim_update();
+
+		ch=grsim_input();
+		if (ch=='q') break;
+
+		for(yy=0;yy<40;yy++) {
+			for(xx=0;xx<40;xx++) {
+				dx=(xx-20);
+				dy=(yy-20);
+				h=scale*sqrt((dx*dx)+(dy*dy));
+				theta=atan2(dy,dx);
+
+				theta2=theta+thetadiff;
+				nx=h*cos(theta2);
+				ny=h*sin(theta2);
+
+				x2=nx+20;
+				y2=ny+20;
+				if ((x2<0) || (x2>39)) color=0;
+				else if ((y2<0) || (y2>39)) color=0;
+				else color=scrn_page(x2,y2,PAGE2);
+
+				color_equals(color);
+				plot(xx,yy);
+			}
+		}
+		thetadiff+=(3.14/16.0);
+
+		scale-=0.008;
+
+		usleep(30000);
+
+		frame++;
+		/* reset */
+		if (frame==128) {
+			sleep(1);
+			thetadiff=0;
+			scale=1.0;
+			frame=0;
+		}
+
+	}
+
+	return 0;
+}
+

gr-sim/rotate_wipe/rotate_zoom_out.c

@@ -0,0 +1,96 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <math.h>
+
+#include "gr-sim.h"
+#include "tfv_utils.h"
+#include "tfv_zp.h"
+
+#include "demo_title.c"
+
+int main(int argc, char **argv) {
+
+	int xx,yy,ch,color,x2,y2;
+	double h,theta,dx,dy,theta2,thetadiff,nx,ny;
+	int frame=0;
+	double scale=1.0;
+
+	grsim_init();
+	gr();
+
+//	clear_screens();
+
+	ram[DRAW_PAGE]=PAGE0;
+	clear_bottom();
+	ram[DRAW_PAGE]=PAGE1;
+	clear_bottom();
+	ram[DRAW_PAGE]=PAGE2;
+	clear_bottom();
+
+
+//	clear_bottom(PAGE0);
+//	clear_bottom(PAGE1);
+//	clear_bottom(PAGE2);
+
+//	grsim_unrle(demo_rle,0x400);
+	grsim_unrle(demo_rle,0xc00);
+
+//	gr_copy_to_current(0xc00);
+//	page_flip();
+//	gr_copy_to_current(0xc00);
+//	page_flip();
+
+	ram[DRAW_PAGE]=PAGE0;
+
+	thetadiff=0;
+
+	while(1) {
+		grsim_update();
+
+		ch=grsim_input();
+		if (ch=='q') break;
+
+		for(yy=0;yy<40;yy++) {
+			for(xx=0;xx<40;xx++) {
+				dx=(xx-20);
+				dy=(yy-20);
+				h=scale*sqrt((dx*dx)+(dy*dy));
+				theta=atan2(dy,dx);
+
+				theta2=theta+thetadiff;
+				nx=h*cos(theta2);
+				ny=h*sin(theta2);
+
+				x2=nx+20;
+				y2=ny+20;
+				if ((x2<0) || (x2>39)) color=0;
+				else if ((y2<0) || (y2>39)) color=0;
+				else color=scrn_page(x2,y2,PAGE2);
+
+				color_equals(color);
+				plot(xx,yy);
+			}
+		}
+		thetadiff-=(3.14/16.0);
+
+		scale+=0.1;
+
+		usleep(30000);
+
+		frame++;
+		/* reset */
+		if (frame==128) {
+			sleep(1);
+			thetadiff=0;
+			scale=1.0;
+			frame=0;
+		}
+
+	}
+
+	return 0;
+}
+