diff options
Diffstat (limited to 'cube_pc_test1/3d.c')
| -rw-r--r-- | cube_pc_test1/3d.c | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/cube_pc_test1/3d.c b/cube_pc_test1/3d.c new file mode 100644 index 0000000..e1ddeaf --- /dev/null +++ b/cube_pc_test1/3d.c @@ -0,0 +1,344 @@ +#include "draw.h" +#include "draw_3d.h" +#include "3d.h" +#include <math.h> +#include <stdlib.h> +#include <stdint.h> +#include <stdio.h> +#include <string.h> + +void linespin (int iterations, int delay) +{ + float top_x, top_y, top_z, bot_x, bot_y, bot_z, sin_base; + float center_x, center_y; + + center_x = 4; + center_y = 4; + + int i, z; + for (i=0;i<iterations;i++) + { + + //printf("Sin base %f \n",sin_base); + + for (z = 0; z < 8; z++) + { + + sin_base = (float)i/50 + (float)z/(10+(7*sin((float)i/200))); + + top_x = center_x + sin(sin_base)*5; + top_y = center_x + cos(sin_base)*5; + //top_z = center_x + cos(sin_base/100)*2.5; + + bot_x = center_x + sin(sin_base+3.14)*10; + bot_y = center_x + cos(sin_base+3.14)*10; + //bot_z = 7-top_z; + + bot_z = z; + top_z = z; + + //setvoxel((int) top_x, (int) top_y, 7); + //setvoxel((int) bot_x, (int) bot_y, 0); + + //printf("P1: %i %i %i P2: %i %i %i \n", (int) top_x, (int) top_y, 7, (int) bot_x, (int) bot_y, 0); + + //line_3d((int) top_x, (int) top_y, (int) top_z, (int) bot_x, (int) bot_y, (int) bot_z); + line_3d((int) top_z, (int) top_x, (int) top_y, (int) bot_z, (int) bot_x, (int) bot_y); + } + + delay_ms(120); + fill(0x00); + } + +} + +void sinelines (int iterations, int delay) +{ + int i,x; + + float left, right, sine_base, x_dividor,ripple_height; + + for (i=0; i<iterations; i++) + { + for (x=0; x<8 ;x++) + { + x_dividor = 2 + sin((float)i/100)+1; + ripple_height = 3 + (sin((float)i/200)+1)*6; + + sine_base = (float) i/40 + (float) x/x_dividor; + + left = 4 + sin(sine_base)*ripple_height; + right = 4 + cos(sine_base)*ripple_height; + right = 7-left; + + //printf("%i %i \n", (int) left, (int) right); + + line_3d(0-3, x, (int) left, 7+3, x, (int) right); + //line_3d((int) right, 7, x); + } + + delay_ms(delay); + fill(0x00); + } +} + +// Display a sine wave running out from the center of the cube. +void ripples (int iterations, int delay) +{ + float origin_x, origin_y, distance, height, ripple_interval; + int x,y,i; + + fill(0x00); + + for (i=0;i<iterations;i++) + { + for (x=0;x<8;x++) + { + for (y=0;y<8;y++) + { + distance = distance2d(3.5,3.5,x,y)/9.899495*8; + //distance = distance2d(3.5,3.5,x,y); + ripple_interval =1.3; + height = 4+sin(distance/ripple_interval+(float) i/50)*4; + + setvoxel(x,y,(int) height); + } + } + delay_ms(delay); + fill(0x00); + } +} + +void sidewaves (int iterations, int delay) +{ + float origin_x, origin_y, distance, height, ripple_interval; + int x,y,i; + + fill(0x00); + + for (i=0;i<iterations;i++) + { + + origin_x = 3.5+sin((float)i/500)*4; + origin_y = 3.5+cos((float)i/500)*4; + + for (x=0;x<8;x++) + { + for (y=0;y<8;y++) + { + distance = distance2d(origin_x,origin_y,x,y)/9.899495*8; + ripple_interval =2; + height = 4+sin(distance/ripple_interval+(float) i/50)*3.6; + + setvoxel(x,y,(int) height); + setvoxel(x,y,(int) height); + + } + } + + delay_ms(delay); + fill(0x00); + } +} + +void spheremove (int iterations, int delay) +{ + + fill(0x00); + + float origin_x, origin_y, origin_z, distance, diameter; + + origin_x = 0; + origin_y = 3.5; + origin_z = 3.5; + + diameter = 3; + + int x, y, z, i; + + for (i=0; i<iterations; i++) + { + origin_x = 3.5+sin((float)i/50)*2.5; + origin_y = 3.5+cos((float)i/50)*2.5; + origin_z = 3.5+cos((float)i/30)*2; + + diameter = 2+sin((float)i/150); + + for (x=0; x<8; x++) + { + for (y=0; y<8; y++) + { + for (z=0; z<8; z++) + { + distance = distance3d(x,y,z, origin_x, origin_y, origin_z); + //printf("Distance: %f \n", distance); + + if (distance>diameter && distance<diameter+1) + { + setvoxel(x,y,z); + } + } + } + } + + delay_ms(delay); + fill(0x00); + } + +} + +void fireworks (int iterations, int n, int delay) +{ + fill(0x00); + + int i,f,e; + + float origin_x = 3; + float origin_y = 3; + float origin_z = 3; + + int rand_y, rand_x, rand_z; + + float slowrate, gravity; + + // Particles and their position, x,y,z and their movement, dx, dy, dz + float particles[n][6]; + + for (i=0; i<iterations; i++) + { + + origin_x = rand()%4; + origin_y = rand()%4; + origin_z = rand()%2; + origin_z +=5; + origin_x +=2; + origin_y +=2; + + // shoot a particle up in the air + for (e=0;e<origin_z;e++) + { + setvoxel(origin_x,origin_y,e); + delay_ms(600+500*e); + fill(0x00); + } + + // Fill particle array + for (f=0; f<n; f++) + { + // Position + particles[f][0] = origin_x; + particles[f][1] = origin_y; + particles[f][2] = origin_z; + + rand_x = rand()%200; + rand_y = rand()%200; + rand_z = rand()%200; + + // Movement + particles[f][3] = 1-(float)rand_x/100; // dx + particles[f][4] = 1-(float)rand_y/100; // dy + particles[f][5] = 1-(float)rand_z/100; // dz + } + + // explode + for (e=0; e<25; e++) + { + slowrate = 1+tan((e+0.1)/20)*10; + + gravity = tan((e+0.1)/20)/2; + + for (f=0; f<n; f++) + { + particles[f][0] += particles[f][3]/slowrate; + particles[f][1] += particles[f][4]/slowrate; + particles[f][2] += particles[f][5]/slowrate; + particles[f][2] -= gravity; + + setvoxel(particles[f][0],particles[f][1],particles[f][2]); + + + } + + delay_ms(delay); + fill(0x00); + } + + } + +} + +void effect_rotate_random_pixels (int iterations, int delay, int pixels) +{ + vertex points[pixels]; + vertex rotated[pixels]; + + float fy, fx, fz; + int x,y,z; + int i,p; + + float rot_x = 0; + float rot_y = 0; + float rot_z = 0; + vertex cube_center = {3.5, 3.5, 3.5}; + + for (i=0; i<pixels; i++) + { + x = rand()%1200-200; + y = rand()%1200-200; + z = rand()%1200-200; + fx = (float)x/100; + fy = (float)y/100; + fz = (float)z/100; + + points[i].x = fx; + points[i].y = fy; + points[i].z = fz; + + setvoxel((int)points[i].x, (int)points[i].y, (int)points[i].z); + delay_ms(100); + } + delay_ms(10000); + + for (i=0; i<iterations; i++) + { + rot_x = (float)i/75; + rot_y = (float)i/150; + rot_z = (float)i/200; + + for (p=0; p<pixels; p++) + { + rotated[p] = point_rotate_around_point (points[p], cube_center, rot_x, rot_y, rot_z); + } + + fill(0x00); + for (p=0; p<pixels; p++) + { + setvoxel((int)rotated[p].x, (int)rotated[p].y, (int)rotated[p].z); + } + + delay_ms(delay); + } + + fill(0x00); +} + + +float distance2d (float x1, float y1, float x2, float y2) +{ + float dist; + dist = sqrt((x1-x2)*(x1-x2) + (y1-y2)*(y1-y2)); + + return dist; +} + +float distance3d (float x1, float y1, float z1, float x2, float y2, float z2) +{ + float dist; + dist = sqrt((x1-x2)*(x1-x2) + (y1-y2)*(y1-y2) + (z1-z2)*(z1-z2)); + + return dist; +} + + + + |