initial commit

oscar64/samples/hiresmc/polygon.c

@@ -0,0 +1,86 @@
+#include <c64/memmap.h>
+#include <c64/vic.h>
+#include <gfx/mcbitmap.h>
+#include <string.h>
+#include <conio.h>
+#include <math.h>
+
+#define Color1	((char *)0xc800)
+#define Color2	((char *)0xd800)
+#define Hires	((char *)0xe000)
+
+Bitmap		Screen;
+
+void init(void)
+{
+	mmap_trampoline();
+	mmap_set(MMAP_RAM);
+
+	memset(Color1, 0x67, 1000);
+	memset(Color2, 0x02, 1000);
+	memset(Hires, 0x00, 8000);
+
+	mmap_set(MMAP_NO_ROM);
+
+	vic_setmode(VICM_HIRES_MC, Color1, Hires);
+
+	vic.color_back = VCOL_BLACK;
+	vic.color_border = VCOL_BLACK;
+
+	bm_init(&Screen, Hires, 40, 25);	
+}
+
+void done(void)
+{
+	mmap_set(MMAP_ROM);
+
+	getch();
+
+	vic_setmode(VICM_TEXT, (char *)0x0400, (char *)0x1000);
+}
+
+int main(void)
+{
+	init();
+
+	bmmcu_rect_fill(&Screen, 0, 0, 320, 200, 1);
+	bmmcu_rect_fill(&Screen, 8, 8, 304, 184, 2);
+	bmmcu_rect_fill(&Screen, 10, 10, 300, 180, 0);
+
+	ClipRect	cr = {10, 10, 310, 190};
+
+	float	px[10], py[10];
+
+	for(int i=0; i<10; i++)
+	{
+		float	w = i * PI / 5, c = cos(w), s = sin(w), r = (i & 1) ? 1.0 : 0.4;
+		px[i] = r * c; py[i] = r * s;
+
+	}
+
+	for(int i=0; i<128; i++)
+	{
+		int rpx[10], rpy[10];
+		float	r = i + 4;
+		float	w = i * PI / 16, c = r * cos(w), s = r * sin(w), cw = r * cos(w * 2.0), sw = r * sin(w * 2.0);
+
+		for(int j=0; j<10; j++)
+		{			
+			float	fx = px[j], fy = py[j];
+			rpx[j] = 160 + cw + fx * c + fy * s;
+			rpy[j] = 100 + sw - fx * s + fy * c;
+		}
+
+		bmmc_polygon_nc_fill(&Screen, &cr, rpx, rpy, 10, MixedColors[i & 3][(i >> 2) & 3]);
+
+		for(int j=0; j<10; j++)
+		{
+			int k = (j + 1) % 10;
+			bmmc_line(&Screen, &cr, rpx[j], rpy[j], rpx[k], rpy[k], 0);
+		}
+	}
+
+	done();
+
+	return 0;
+}