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Brizoler.cpp
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#include <iostream>
#include <stdio.h>
#include <math.h>
#include <vector>
#include <ctime>
#include "Brizoler.h"
#include "StarPaint.h"
#include "utils.h"
// #include "sin.h"
/*
void rotateVector(float& x, float& y, float rad)
{
float temp_x = x;
float temp_y = y;
float cos_rad = cos(rad);
float sin_rad = sin(rad);
x = temp_x*cos_rad - temp_y*sin_rad;
y = temp_x*sin_rad - temp_y*cos_rad;
}
void normalizeVector(float& x, float& y)
{
if( isnormal(x) && isnormal(y))
{
float module = sqrt(x*x+y*y);
x /= module;
y /= module;
}
else if(x == 0 && y != 0)
{
y /= fabs(y);
}
else if(y == 0 && x != 0)
{
x /= fabs(x);
}
}
*/
// struct Point
// {
// float x;
// float y;
// Point():x(0.0), y(0.0){}
// Point(float x, float y):x(x), y(y){}
// };
static int zoom_limit = 20;
static int speed_limit = 20;
static int stars_change_direction_flag = 0;
float param_zoom = 1;
float param_speed = 1;
float param_coord_x = 0;
float param_coord_y = 0;
int mode = 1;
bool change_speed_up;
bool change_speed_down;
bool gravitate_mouse = false;
#define MAX_HEIGHT 1080
#define MAX_WIDTH 1920
float array_prod[MAX_HEIGHT][MAX_WIDTH];
Doodle* doodle;
Doodle* doodle2;
Brizoler::Brizoler()
{
this->Running = true;
}
Brizoler::~Brizoler()
{
}
int Brizoler::OnExecute()
{
// printf("Insira um limite de zoom e velocidade: ");
// scanf("%i %i", &zoom_limit, &speed_limit);
if(OnInit() == false)
{
return -1;
}
SDL_Event Event;
int offsetx = 30;
int offsety = 0;
while(Running)
{
static float time_now = clock();
static float time_last = clock();
float delta_frame = time_now - time_last;
time_last = time_now;
while(SDL_PollEvent(&Event))
{
OnEvent(&Event);
}
InputRefresh();
OnPaint(offsetx, offsety);
offsetx++;
offsety++;
// fprintf(stderr, "delta_frame:%2.5f \n", (float)delta_frame/CLOCKS_PER_SEC);
time_now = clock();
}
OnCleanup();
return 0;
}
bool Brizoler::OnInit()
{
// log_fd = fopen( "mylogfile.txt", "w" );
if(SDL_Init(SDL_INIT_EVERYTHING) < 0)
{
return false;
}
if((this->surf = SDL_CreateRGBSurface(0,
SCREEN_WIDTH, /*width , 0 means any width*/
SCREEN_HEIGHT, /*height, 0 means any height*/
32, /*bites per pixel, 0 means use current*/
0x00FF0000,
0x0000FF00,
0x000000FF,
0xFF000000)
) == NULL ||
(this->canvas_surf = SDL_CreateRGBSurface(0,
SCREEN_WIDTH, /*width , 0 means any width*/
SCREEN_HEIGHT, /*height, 0 means any height*/
32, /*bites per pixel, 0 means use current*/
0x00FF0000,
0x0000FF00,
0x000000FF,
0xFF000000)
) == NULL)
{
return false;
}
this->wi = new Window(SCREEN_WIDTH, SCREEN_HEIGHT);
this->input = new InputHandler();
doodle = new Plotter();
doodle2 = new StarPaint();
// doodle = new Pattern();
doodle->Initialize((Window*)this->wi, (InputHandler*)this->input);
doodle2->Initialize((Window*)this->wi, (InputHandler*)this->input);
// SDL_CreateWindowAndRenderer(SCREEN_WIDTH, SCREEnyy_HEIGHT, SDL_WINDOW_RESIZABLE, &(this->window), &(this->renderer));
// SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear"); // make the scaled rendering look smoother.
// SDL_RenderSetLogicalSize(this->renderer, SCREEN_WIDTH, SCREEnyy_HEIGHT);
// this->texture = SDL_CreateTexture(this->renderer,
// SDL_PIXELFORMAT_ARGB8888,
// SDL_TEXTUREACCESS_STREAMING,
// SCREEN_WIDTH, SCREEnyy_HEIGHT);
uint canvas_size = this->surf->h*this->surf->w*3;
canvas = new uint[canvas_size];
if(!canvas)
{
return false;
}
// SDL_EnableKeyRepeat(1, 10);
// SDL_ShowCursor(SDL_DISABLE);
for (int y = 0; y < MAX_HEIGHT; ++y)
{
for (int x = 0; x < MAX_WIDTH; ++x)
{
int new_y = (y - MAX_HEIGHT/2)%MAX_HEIGHT;
int new_x = (x - MAX_WIDTH/2)%MAX_WIDTH;
array_prod[y][x] =
(
// (new_y*new_y + new_x*new_x)
sin((float)new_y*2*M_PI/MAX_HEIGHT)
*
cos((float)new_x*2*M_PI/MAX_WIDTH)
)
;
}
}
return true;
}
void Brizoler::OnCleanup()
{
free(canvas);
SDL_FreeSurface(surf);
SDL_FreeSurface(canvas_surf);
SDL_Quit();
}
void Brizoler::OnEvent(SDL_Event* event)
{
this->input->OnEvent(event);
}
void Brizoler::InputRefresh()
{
if(input->keystate[SDL_SCANCODE_ESCAPE]){OnExit(); }
if(input->keystate[SDL_SCANCODE_1]){ mode = 1;}
// else if(input->keystate[SDL_SCANCODE_2]){ mode = 2;}
// else if(input->keystate[SDL_SCANCODE_3]){ mode = 3;}
else if(input->keystate[SDL_SCANCODE_4]){ mode = 4;}
else if(input->keystate[SDL_SCANCODE_5]){ mode = 5;}
else if(input->keystate[SDL_SCANCODE_6]){ mode = 6;}
else if(input->keystate[SDL_SCANCODE_7]){ mode = 7;}
else if(input->keystate[SDL_SCANCODE_8]){ mode = 8;}
else if(input->keystate[SDL_SCANCODE_9]){ mode = 9;}
}
void Brizoler::OnMouseFocus()
{
}
void Brizoler::OnMouseMove(int mX, int mY, int relX, int relY, bool Left,bool Right,bool Middle)
{
this->mouse_x = mX;
this->mouse_y = mY;
this->mouse_rel_x = relX;
this->mouse_rel_y = relY;
if(Left)
{
param_zoom = ((float)mY/surf->h)*zoom_limit + 0.01;
param_speed = ((float)mX/surf->w)*speed_limit + 0.01;
}
if(Right)
{
param_coord_x = mX;
param_coord_y = mY;
}
}
void Brizoler::OnLButtonDown(int mX, int mY)
{
this->mouse_x = mX;
this->mouse_y = mY;
this->mouse_l = true;
param_zoom = ((float)mY/surf->h)*zoom_limit + 0.01;
param_speed = ((float)mX/surf->w)*speed_limit + 0.01;
gravitate_mouse = true;
}
void Brizoler::OnLButtonUp(int mX, int mY)
{
this->mouse_l = false;
gravitate_mouse = false;
}
void Brizoler::OnKeyDown(SDL_Keycode sym, Uint16 mod)
{
const Uint8 *keystate = SDL_GetKeyboardState(NULL);
float delta = 0.1;
switch(sym)
{
case SDLK_UP:
{
if(mod & KMOD_CTRL)
{
if(param_zoom + delta < zoom_limit)
{
param_zoom += delta;
}
}
else
{
if(param_zoom < zoom_limit)
{
param_zoom += 0.005;
}
}
if(mode == 6)
{
change_speed_up = true;
}
}
break;
case SDLK_DOWN:
{
if(mod & KMOD_CTRL)
{
if(param_zoom - delta > 0)
{
param_zoom -= delta;
}
}
else
{
if(param_zoom > 0.015)
{
param_zoom -= 0.005;
}
}
if(mode == 6)
{
change_speed_down = true;
}
}
break;
case SDLK_RIGHT:
{
if(mod & KMOD_CTRL)
{
if(param_speed + delta < speed_limit)
{
param_speed += delta;
}
}
else
{
if(param_speed < speed_limit)
{
param_speed += 0.01;
}
}
}
break;
case SDLK_LEFT:
{
if(mod & KMOD_CTRL)
{
if(param_speed - delta > 0)
{
param_speed -= delta;
}
}
else
{
if(param_speed > 0.015)
{
param_speed -= 0.01;
}
}
}
break;
default:
break;
}
}
void Brizoler::OnKeyUp(SDL_Keycode sym, Uint16 mod)
{
}
void Brizoler::OnResize(int w,int h)
{
// surf = SDL_SetVideoMode(w, h, 0, SDL_SWSURFACE | SDL_DOUBLEBUF | SDL_RESIZABLE);
// SDL_RenderSetLogicalSize(this->renderer, w, h);
if(NULL == surf)
{
fprintf(stderr, "Unable to resize video mode: %s\n", SDL_GetError());
exit(2);
}
}
void Brizoler::OnExit()
{
Running = false;
}
bool Brizoler::PaintPixel(int x, int y, Uint8 red, Uint8 green, Uint8 blue)
{
return this->wi->DrawPixel(x, y, red, green, blue);
}
bool Brizoler::PaintPixel(int x, int y, Uint8 red, Uint8 green, Uint8 blue, SDL_Surface* other_surf)
{
bool result = false;
Uint32 *pixel = (Uint32*)other_surf->pixels;
uint index;
if(x >= 0 && x < other_surf->w && y >= 0 && y < other_surf->h)
{
index = y*other_surf->w + x;
pixel[index] = SDL_MapRGB(other_surf->format, red, green, blue);
result = true;
}
return result;
}
void Brizoler::PaintRow(int y, int x1, int x2, uint thickness, Uint8 red, Uint8 green, Uint8 blue)
{
Uint32 *pixel = (Uint32*)surf->pixels;
for(int y_counter = y; y_counter < y+thickness; y_counter++)
{
for (int x_counter = 0; x_counter < x2-x1; ++x_counter)
{
this->wi->DrawPixel(x_counter+x1, y_counter-thickness/2, red, green, blue);
}
}
}
void Brizoler::PaintColumn(int x, int y1, int y2, uint thickness, Uint8 red, Uint8 green, Uint8 blue)
{
Uint32 *pixel = (Uint32*)surf->pixels;
for(int x_counter = x; x_counter < x+thickness; x_counter++)
{
for (int y_counter = 0; y_counter < y2-y1; ++y_counter)
{
this->wi->DrawPixel(x_counter-thickness/2, y_counter+y1, red, green, blue);
}
}
}
bool Brizoler::IsInsideCanvas(float x, float y)
{
if((int)x >= 0 && (int)x < wi->GetW() && (int)y >= 0 && (int)y < wi->GetH())
// if((int)x >= 0 && (int)x < surf->w && (int)y >= 0 && (int)y < surf->h)
{
return true;
}
return false;
}
void Brizoler::PaintLine(float x1, float y1, float x2, float y2, uint thickness, Uint8 red, Uint8 green, Uint8 blue)
{
this->wi->DrawLine(x1, y1, x2, y2, thickness, red, green, blue);
return;
// log_count ++;
// if(log_count > 4)
// {
// rewind(log_fd);
// }
KILL_DENORMAL_BY_QUANTIZATION(x1);
KILL_DENORMAL_BY_QUANTIZATION(y1);
KILL_DENORMAL_BY_QUANTIZATION(x2);
KILL_DENORMAL_BY_QUANTIZATION(y2);
if(fabs(x1) > 1e+7)
{
x1 = 1e+6;
}
if(fabs(y1) > 1e+7)
{
y1 = 1e+6;
}
if(fabs(x2) > 1e+7)
{
x2 = 1e+6;
}
if(fabs(y2) > 1e+7)
{
y2 = 1e+6;
}
float x,y,dx,dy;
int xi,yi;
dx = (x2-x1);
dy = (y2-y1);
if(fabsf(dx) > fabsf(dy))
{
dy = dy/(fabsf(dx));
dx = dx/(fabsf(dx));
}
else
{
dx = dx/(fabsf(dy));
dy = dy/(fabsf(dy));
}
if(0)
// if(!IsInsideCanvas(x1,y1) || !IsInsideCanvas(x2,y2))
{
cerr("FORA DO CANVAS\n")
// fprintf(stderr, "P1(%2.1f, %2.1f) P2(%2.1f, %2.1f)\n", x1, y1, x2, y2);
vector<Point> pts_intersec;
int num_intersec = 0;
float coef_ang = dy/dx;
float coef_lin = y1 - coef_ang*x1;
float border_x;
float border_y;
border_y = 0;
border_x =border_y-(coef_lin/coef_ang);
// intersect segment with canvas borders
if( (border_x-x1) * (border_x-x2) <= 0 ) // that means if point border_x is in between x1 and x2
{
num_intersec++;
pts_intersec.push_back(Point(border_x, border_y));
}
border_y = surf->h;
border_x = border_y-(coef_lin/coef_ang);
if( (border_x-x1) * (border_x-x2) <= 0 )
{
num_intersec++;
pts_intersec.push_back(Point(border_x, border_y));
}
border_x = 0;
border_y = border_x*coef_ang + coef_lin;
if( (border_y-y1) * (border_y-y2) <= 0 )
{
num_intersec++;
pts_intersec.push_back(Point(border_x, border_y));
}
border_x = surf->w;
border_y = border_x*coef_ang + coef_lin;
if( (border_y-y1) * (border_y-y2) <= 0 )
{
num_intersec++;
pts_intersec.push_back(Point(border_x, border_y));
}
// fprintf(stderr, "P1(%2.1f, %2.1f) P2(%2.1f, %2.1f)\n", pts_intersec[0].x, pts_intersec[0].y, pts_intersec[1].x, pts_intersec[1].y);
switch(num_intersec)
{
case 1:
{
if(!IsInsideCanvas(x1,y1))
{
x1 = pts_intersec[0].x;
y1 = pts_intersec[0].y;
}
else
{
x2 = pts_intersec[0].x;
y2 = pts_intersec[0].y;
}
}
break;
case 2:
{
Point A(pts_intersec[0]);
Point B(pts_intersec[1]);
x1 = A.x;
y1 = A.y;
x2 = B.x;
y2 = B.y;
dx = (B.x-A.x);
dy = (B.y-A.y);
if(fabsf(dx) > fabsf(dy))
{
dy = dy/(fabsf(dx));
dx = dx/(fabsf(dx));
}
else
{
dx = dx/(fabsf(dy));
dy = dy/(fabsf(dy));
}
}
break;
default:
{
return;
}
break;
}
}
x = x1;
y = y1;
xi = (int)x1;
yi = (int)y1;
while((x-x2)*dx <= 0 && (y-y2)*dy <= 0)
{
static int whilst =0;
PaintPixel(xi, yi, red, green, blue);
x += dx;
y += dy;
xi = (int)(x + 0.5);
yi = (int)(y + 0.5);
if(fabs(x) > 1.0E+7)
{
cerr("x > 1.0E+7")
cerrv(x1)
cerrv(y1)
cerrv(x2)
cerrv(y)
cerrv(x)
cerrv(y)
}
else if(fabs(x) < 1.0E-7 && x != 0)
{
cerr("x < 1.0E-7")
cerrv(x)
cerrv(y)
}
if(fabs(x) > 1.0E+7)
{
cerr("y > 1.0E+7")
cerrv(x)
cerrv(y)
}
else if(fabs(y) < 1.0E-7 && y != 0)
{
cerr("y < 1.0E-7")
cerrv(x)
cerrv(y)
}
whilst++;
}
if(y2 >= 0 && y2 < surf->h && x2 >= 0 && x2 < surf->w)
PaintPixel(x2, y2, red, green, blue);
}
void Brizoler::Rect(int left_cornerX, int left_cornerY, int width, int height, uint thickness, Uint8 red, Uint8 green, Uint8 blue)
{
PaintRow(left_cornerY, left_cornerX, left_cornerX + width, thickness, red, green, blue); // -----
PaintColumn(left_cornerX + width, left_cornerY, left_cornerY + height, thickness, red, green, blue); // |
PaintRow(left_cornerY + height, left_cornerX, left_cornerX + width, thickness, red, green, blue); // ______
PaintColumn(left_cornerX, left_cornerY, left_cornerY + height, thickness, red, green, blue); // |
}
void Brizoler::BlackScreen()
{
this->wi->FillCanvas(0, 0, 0);
}
void Brizoler::BlurScreen()
{
Uint8 r[9];
Uint8 g[9];
Uint8 b[9];
Uint32* pixels = (Uint32*) wi->canvas->pixels;
for (int y = 0; y < surf->h; ++y)
{
for (int x = 0; x < surf->w; ++x)
{
SDL_GetRGB( pixels[((x-1) + (y-1)*surf->w)], wi->canvas->format, &r[0], &g[0], &b[0]);
SDL_GetRGB( pixels[((x) + (y-1)*surf->w)], wi->canvas->format, &r[1], &g[1], &b[1]);
SDL_GetRGB( pixels[((x+1) + (y-1)*surf->w)], wi->canvas->format, &r[2], &g[2], &b[2]);
SDL_GetRGB( pixels[((x-1) + (y)*surf->w )], wi->canvas->format, &r[3], &g[3], &b[3]);
SDL_GetRGB( pixels[((x) + (y)*surf->w )], wi->canvas->format, &r[4], &g[4], &b[4]);
SDL_GetRGB( pixels[((x+1) + (y)*surf->w )], wi->canvas->format, &r[5], &g[5], &b[5]);
SDL_GetRGB( pixels[((x-1) + (y+1)*surf->w)], wi->canvas->format, &r[6], &g[6], &b[6]);
SDL_GetRGB( pixels[((x) + (y+1)*surf->w)], wi->canvas->format, &r[7], &g[7], &b[7]);
SDL_GetRGB( pixels[((x+1) + (y+1)*surf->w)], wi->canvas->format, &r[8], &g[8], &b[8]);
PaintPixel(x, y
, (r[0] + r[1] + r[2]
+ r[3] + 2*r[4] + r[5]
+ r[6] + r[7] + r[8])/10
, (g[0] + g[1] + g[2]
+ g[3] + 2*g[4] + g[5]
+ g[6] + g[7] + g[8])/10
, (b[0] + b[1] + b[2]
+ b[3] + 2*b[4] + b[5]
+ b[6] + b[7] + b[8])/10
);
}
}
}
void Brizoler::LinesGettingSmaller(int num_lines)
{
int current_line_height = 0;
int current_line_width = surf->w;
float space_between_lines = (float) this->mouse_y/num_lines;
float width_decrease = ((float) current_line_width)/(2*num_lines);
float width_delta1 = (float) this->mouse_x/num_lines;
float width_delta2 = (float) (surf->w - this->mouse_x)/num_lines;
float height_delta1 = (float) this->mouse_y/num_lines;
float height_delta2 = (float) (surf->h - this->mouse_y)/num_lines;
for(int i = 0;current_line_height <= this->mouse_y &&
current_line_height <= surf->h &&
current_line_width > 0 &&
space_between_lines > 1; i++ )
{
PaintRow(current_line_height, (int)(i*width_delta1), surf->w - (int)(i*width_delta2), 1, 255, 255, 255);
PaintColumn((int)(i*width_delta1), current_line_height, surf->h - (int)(i*height_delta2), 1, 255, 255, 255);
current_line_height += (int) space_between_lines;
}
}
void Brizoler::InfiniteSquares(int num_squares)
{
static float offset = 0;
static Uint8 red_offset = 0;
static Uint8 green_offset = 0;
static Uint8 blue_offset = 0;
float horizontal_step = ((float) mouse_x)/num_squares; // distance between squares
float vertical_step = ((float) mouse_y)/num_squares;
float width_decrease_step = ((float) surf->w)/num_squares; // square lines decreasing rate
float height_decrease_step = ((float) surf->h)/num_squares;
float square_x = 0;
float square_y = 0;
float square_width = surf->w;
float square_height = surf->h;
const int amplitude = 20;
float thickness = amplitude;
// float thickness = amplitude * sin( (float)i/num_squares*2*M_PI + offset) + amplitude+1;
const float thickness_step = (float)(amplitude)/num_squares;
float far = 0;
for(int i = 0; i < num_squares; i++)
{
red_offset += 1;
green_offset += 2;
blue_offset += 3;
far += thickness_step;
Rect(square_x, square_y, square_width, square_height, (int)2, ((Uint8)red_offset*green_offset), ((Uint8)green_offset*blue_offset), ((Uint8)blue_offset*red_offset));
square_x += horizontal_step ;
square_y += vertical_step ;
square_width -= width_decrease_step ;
square_height -= height_decrease_step;
}
offset += 0.1;
}
/*
void Brizoler::Stars(uint num_stars)
{
static Star **stars = 0;
if(!stars)
{
stars = (Star**) malloc(num_stars*(sizeof(Star*)));
for(uint k = 0; k < num_stars; k++)
{
stars[k] = new Star(surf->w, surf->h, (Uint32*) wi->canvas->pixels);
// stars[k] = new Star(surf->w, surf->h, 4, this->canvas);
stars[k]->Set_Color(random()%256, random()%256, random()%256);
}
}
static int count = 1;
static int count2 = 50;
static float max_accel = 0;
static float min_accel = 999999;
static float max_radius_x = 0;
static float min_radius_x = 999999;
static float max_radius_y = 0;
static float min_radius_y = 999999;
for(uint i = 0; i < num_stars; i++)
{
if(change_speed_up)
stars[i]->Multiply_vel(1.1);
else if(change_speed_down)
stars[i]->Multiply_vel(1/1.1);
if(gravitate_mouse)
{
float star_x = stars[i]->pos_x;
float star_y = stars[i]->pos_y;
float radius_x = this->mouse_x - star_x; // vector in the line that pass through each planets center
float radius_y = this->mouse_y - star_y;
float dist_sq = radius_x*radius_x + radius_y*radius_y;
float dist = sqrt(dist_sq);
normalizeVector(radius_x, radius_y);
float G = 0.1;
float mouse_mass = 0.5;
float mouse_radius = 15;
float accel;
if(0)
// if(dist <= mouse_radius)
{
// idea here is to make the circle around the mouse simulate a surface.
// so when a star touches the surface, it bounces with the out_angle = in_angle
// if(stars[i]->vel_x*radius_x + stars[i]->vel_y*radius_y > 0) // dot product
if(0) // dot product
{
float in_angle = atan2(-radius_y, -radius_x);
rotateVector(stars[i]->vel_x, stars[i]->vel_y, (M_PI)- 2*in_angle);
stars[i]->vel_x *= 0.9;
stars[i]->vel_y *= 0.9;
accel = 0.01;
}
else
{
accel = -0.1;
}
}
else
{
// accel = G*mouse_mass*dist/10;
// accel = 1000*G*mouse_mass*(dist-mouse_radius)/(dist_sq);
// accel = 1000*G*mouse_mass/(dist_sq);
accel = G*mouse_mass*10; /// this way is more interesting
}
CHANGE_MIN_MAX(accel, min_accel, max_accel)
CHANGE_MIN_MAX(radius_x, min_radius_x, max_radius_x)
CHANGE_MIN_MAX(radius_y, min_radius_y, max_radius_y)
if((isnormal(accel)) // accel was generating nan and radius inf
&& (isnormal(radius_x) || radius_x == 0.0)
&& (isnormal(radius_y) || radius_y == 0.0))
{
stars[i]->Change_Acceleration(accel*radius_x, accel*radius_y);
}
if(dist <= mouse_radius)
{
stars[i]->Set_Color(255, 0, 0);
}
else if(1)
// else if(accel < 5)
{
// stars[i]->Set_Color(radius_x*radius_x - dist, radius_y*radius_y - dist, dist);
// stars[i]->Set_Color((accel)*(1), (accel)*(1), (accel)*(1));
stars[i]->Set_Color(stars[i]->vel_x, stars[i]->vel_y, stars[i]->vel_x*stars[i]->vel_y);
// stars[i]->Set_Color(accel+stars[i]->vel_x, accel+stars[i]->vel_y, accel*stars[i]->vel_x*stars[i]->vel_y);
// static int color_counter = 0;
// color_counter++;
// if(color_counter % 10 == 0)
// stars[i]->Set_Color(random()%256, random()%256, random()%256);
}
else
{
stars[i]->Set_Color(255, 255, 255);
}
}
else
{
stars[i]->Change_Acceleration(0,0);
}
stars[i]->Animate(this->mouse_x, this->mouse_y, 10, 11);
if(count % count2 == 0)
// if(stars_change_direction_flag)
{
// stars[i]->Change_Direction();
}
count2 = (int) 50 + 25*sin(count);
}
count++;
// stars_change_direction_flag = 0;
// fprintf(stderr, "Accel: [%g,%g]\n", min_accel, max_accel);
// fprintf(stderr, "Radius_x: [%g,%g]\n", min_radius_x, max_radius_x);
// fprintf(stderr, "Radius_y: [%g,%g]\n", min_radius_y, max_radius_y);
change_speed_up = false;
change_speed_down = false;
}
*/
void Brizoler::OnPaint(int OffsetX, int OffsetY)
{
if(SDL_MUSTLOCK(surf))
{
SDL_LockSurface(surf);
}
Uint8 red;
Uint8 green;
Uint8 blue;
const Uint8 *keystate = SDL_GetKeyboardState(NULL);
int prod;
switch(mode)
{
case 1:
{
doodle->InputRefresh();
doodle->Run();
}break;
case 4:
case 5:
{
static int num = 30;
static int sin_phase = 0;
static int change_counter = 0;
// if(change_counter++ == 10)
// {
// num = (int)(15 + 14*sin(sin_phase++));
// }
BlackScreen();
// SDL_SetAlpha(surf, SDL_SRCALPHA|SDL_RLEACCEL, 40);
InfiniteSquares(num);
// for (int i = 0; i < 9999999; ++i);
// SDL_SetAlpha(surf, SDL_SRCALPHA|SDL_RLEACCEL, 40);
// InfiniteSquares(num);
// for (int i = 0; i < 9999999; ++i);
// SDL_SetAlpha(surf, SDL_SRCALPHA|SDL_RLEACCEL, 255);
// InfiniteSquares(num);
// for (int i = 0; i < 9999999; ++i);
// SDL_SetAlpha(surf, SDL_SRCALPHA|SDL_RLEACCEL, 255);
// InfiniteSquares(num);
}break;
case 6:
{
// static int num_stars = 1000;
// Stars(num_stars);
doodle2->InputRefresh();
doodle2->Run();
}break;
case 7:
{
for (int y = 0; y < surf->h; ++y)
{
for (int x = 0; x < surf->w; ++x)
{