void renderParticles(tEmitter *emitter)
{
if (emitter->particle != NULL)
{
tParticle* particle = emitter->particle;
while (particle)
{
CORE_RenderCenteredSprite(particle->pos,
vmake(particle->radius , particle->radius ), particle->index);
particle = particle->next;
}
}
}
int Main(void)
{
// Load resources
texsmallball = CORE_LoadBmp("data/tyrian_ball.32.bmp" , false);
texcursor = CORE_LoadBmp("data/cursor.bmp", false);
initCursor();
initParticlePool(MAX_PARTICLES);
initEmmiter();
// Set up rendering
glViewport(0, 0, SCR_WIDTH, SCR_HEIGHT); // Sets up clipping
glClearColor( 0.0f, 0.1f, 0.3f, 0.0f );
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho( 0.0, SCR_WIDTH, 0.0, SCR_HEIGHT, 0.0, 1.0);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
DWORD start_tick= GetTickCount();
while (!SYS_GottaQuit())
{
// Render
glClear( GL_COLOR_BUFFER_BIT );
CORE_RenderCenteredSprite(cursor->pos,
vmake(cursor->radius , cursor->radius ), cursor->index);
//fixed substep
float dt =1.0f/(substep*FPS);
//add gravity
// tVector emitterforces=vmake(0.0f,0.0f);
tVector emitterforces= GRAVITY; //vmake(0,gravityForce);
updateEmitter( myEmmiter, emitterforces, dt);
applyDeflectors(myEmmiter);
renderParticles(myEmmiter);
SYS_Show();
start_tick= GetTickCount();
// Keypress!
const float scale=2.0f;
if (SYS_KeyPressed('O'))
{
if(cursor)cursor->pos.x-=1.0f*scale;
}
if (SYS_KeyPressed('P'))
{
if(cursor)cursor->pos.x+=1.0f*scale;
}
if (SYS_KeyPressed('Q'))
{
if(cursor)cursor->pos.y+=1.0f*scale;
}
if (SYS_KeyPressed('A'))
{
if(cursor)cursor->pos.y-=1.0f*scale;
}
if (SYS_KeyPressed('S'))
{
atractorScale*=1.1f;
if( atractorScale > 1000.0f)atractorScale=1000.0f;
}
if (SYS_KeyPressed('W'))
{
atractorScale*=0.9f;
}
// Keep system running
SYS_Pump();
SYS_Sleep(17);
}
CORE_UnloadBmp(texsmallball);
CORE_UnloadBmp(texcursor);
destroyEmmmiter(myEmmiter);
destroyParticlePool();
destroyCursor();
return 0;
}
int Main(void)
{
// Load resources
texsmallball = CORE_LoadBmp("data/tyrian_ball.32.bmp" , false);
texcursor = CORE_LoadBmp("data/cursor.bmp", false);
initCursor();
initParticlePool(MAX_PARTICLES);
//checking pool
//while(particlePool.current)
//{
// particlePool.current=particlePool.current->next;
//}
//particlePool.current = particlePool.head->next;
initEmmiter();
//for (int i = 0; i < NUM_PARTICLES; i++)
//{
//float radius;
//radius = 8.f;
//particle[i]=particlePool.current;
//particlePool.current=particlePool.current->next;
//particle[i]->radius = radius;
//particle[i]->mass = 1.f;
//particle[i]->index = texsmallball;
//particle[i]->pos = vmake(CORE_FRand(radius, SCR_WIDTH-radius), CORE_FRand(radius, SCR_HEIGHT-radius));
//particle[i]->vel = vmake(CORE_FRand(-MAX_BALL_SPEED, +MAX_BALL_SPEED), CORE_FRand(-MAX_BALL_SPEED, +MAX_BALL_SPEED));
//}
// Set up rendering
glViewport(0, 0, SCR_WIDTH, SCR_HEIGHT); // Sets up clipping
glClearColor( 0.0f, 0.1f, 0.3f, 0.0f );
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho( 0.0, SCR_WIDTH, 0.0, SCR_HEIGHT, 0.0, 1.0);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
DWORD start_tick= GetTickCount();
while (!SYS_GottaQuit())
{
// Render
glClear( GL_COLOR_BUFFER_BIT );
CORE_RenderCenteredSprite(cursor->pos,
vmake(cursor->radius , cursor->radius ), cursor->index);
//fixed substep
float dt =1.0f/(substep*FPS);
//adaptive substep
//DWORD elapsed_ticks= GetTickCount()- start_tick;
//float elapsed_dt= elapsed_ticks/TICKS_PER_SECOND;
//float edt_dt = elapsed_dt/dt;
//int ite = (int)edt_dt;
//float lastdt= edt_dt - ite;
tVector forces=vmake(0,-100.0f);
// for( int i=0; i < ite; i++)
updateEmitter( myEmmiter, forces, dt);
// updateEmitter( myEmmiter, forces, lastdt);
applyDeflectors(myEmmiter);
renderParticles(myEmmiter);
SYS_Show();
start_tick= GetTickCount();
// Keypress!
if (SYS_KeyPressed('O'))
{
if(cursor)cursor->pos.x-=1.0f;;
}
if (SYS_KeyPressed('P'))
{
if(cursor)cursor->pos.x+=1.0f;;
}
if (SYS_KeyPressed('Q'))
{
if(cursor)cursor->pos.y+=1.0f;;
}
if (SYS_KeyPressed('A'))
{
if(cursor)cursor->pos.y-=1.0f;;
}
if (0)//SYS_KeyPressed('I'))
{
//start single ball at random
float radius=16.f;
GLuint texBall=texsmallball;
float mass=1.0f;
int index=(int)CORE_FRand(0, MAX_PARTICLES-1);
//particle[index]->mass = mass;
//particle[index]->index = texBall;
//particle[index]->radius = radius;
// particle[index]->pos = vmake(CORE_FRand(radius, SCR_WIDTH-radius), CORE_FRand(SCR_HEIGHT*.5f, SCR_HEIGHT-radius));
//particle[index]->vel = vmake(0, 10);
}
if (0)//SYS_KeyPressed(' '))
{
//give an impulse to all balss
// for (int i = 0; i < MAX_PARTICLES; i++)
// {
//if (fabs(particle[i]->vel.x) < 0.1f)
// particle[i]->vel.x = CORE_FRand(-MAX_BALL_SPEED, +MAX_BALL_SPEED);
//particle[i]->vel.y = CORE_FRand(0, JUMP_SPEED);
// }
}
if (0)//SYS_KeyPressed(VK_CONTROL))
{
//reset all
glClear( GL_COLOR_BUFFER_BIT );
// for (int i = 0; i < MAX_PARTICLES; i++)
// {
//float radius=particle[i]->radius;
//particle[i]->pos = vmake(CORE_FRand(radius, SCR_WIDTH-radius), CORE_FRand(radius, SCR_HEIGHT-radius));
//particle[i]->vel = vmake(0, 10);
// }
SYS_Show();
}
// Keep system running
SYS_Pump();
SYS_Sleep(17);
}
CORE_UnloadBmp(texsmallball);
CORE_UnloadBmp(texcursor);
destroyEmmmiter(myEmmiter);
destroyParticlePool();
destroyCursor();
return 0;
}
void Render()
{
glClear(GL_COLOR_BUFFER_BIT);
// Render background, only tiles within camera view
int first_tile = (int)floorf(g_camera_offset / G_HEIGHT);
for (int i = first_tile; i < first_tile + 2; i++)
{
vec2 pos = vsub(vadd(vmake(G_WIDTH / 2.0f, G_HEIGHT / 2.0f), vmake(0.f, (float)i * G_HEIGHT)), vmake(0.f, g_camera_offset)); // split up, what does it?
vec2 size = vmake(G_WIDTH, G_HEIGHT);
CORE_RenderCenteredSprite(pos, size, g_bkg);
}
// Draw entities
for (int i = MAX_ENTITIES - 1; i >= 0; i--)
{
if (g_entities[i].type != E_NULL)
{
ivec2 size = CORE_GetBmpSize(g_entities[i].gfx);
vec2 pos = g_entities[i].pos;
pos.x = (float)((int)pos.x);
pos.y = (float)((int)pos.y);
if (g_entities[i].has_shadow) // renders shadows first
{
vec2 s_pos = vadd(vsub(pos, vmake(0.f, g_camera_offset)), vmake(0.f, -SHADOW_OFFSET));
vec2 s_size = vmake(size.x * SPRITE_SCALE * g_entities[i].gfxscale * SHADOW_SCALE, size.y * SPRITE_SCALE * g_entities[i].gfxscale * SHADOW_SCALE);
int s_texture = g_entities[i].gfx;
rgba s_color = vmake(0.f, 0.f, 0.f, 0.4f);
bool s_additive = g_entities[i].gfxadditive;
CORE_RenderCenteredSprite(s_pos, s_size, s_texture, s_color, s_additive);
}
// Render not shadows
vec2 offset_pos = vsub(pos, vmake(0.f, g_camera_offset)); // Adjust to where camera is at
vec2 scaled_size = vmake(size.x * SPRITE_SCALE * g_entities[i].gfxscale, size.y * SPRITE_SCALE * g_entities[i].gfxscale);
int texture = g_entities[i].gfx;
rgba color = g_entities[i].color;
bool additive = g_entities[i].gfxadditive;
CORE_RenderCenteredSprite(offset_pos, scaled_size, texture, color, additive);
}
}
if (g_gs != GS_VICTORY) // if not yet won
{
// Draw UI
// The energy bar
float energy_ratio = MAIN_SHIP.energy / MAX_ENERGY;
vec2 e_bar_pos = vmake(ENERGY_BAR_W / 2.f, energy_ratio * ENERGY_BAR_H / 2.f);
vec2 e_bar_size = vmake(ENERGY_BAR_W, ENERGY_BAR_H * energy_ratio);
CORE_RenderCenteredSprite(e_bar_pos, e_bar_size, g_energy, COLOR_WHITE, true);
// The fuel bar
float fuel_ratio = MAIN_SHIP.fuel / MAX_FUEL;
vec2 f_bar_pos = vmake(G_WIDTH - FUEL_BAR_W / 2.f, fuel_ratio * FUEL_BAR_H / 2.f);
vec2 f_bar_size = vmake(FUEL_BAR_W, FUEL_BAR_H * fuel_ratio);
CORE_RenderCenteredSprite(f_bar_pos, f_bar_size, g_fuel, COLOR_WHITE, true);
// Draw how long you have lasted
int num_chunks = (int)((g_current_race_pos / RACE_END) * MAX_CHUNKS);
for (int i = 0; i < num_chunks; i++)
{
vec2 c_pos = vmake(G_WIDTH - 100.f, 50.f + i * 50.f);
vec2 c_size = vmake(CHUNK_W, CHUNK_H);
CORE_RenderCenteredSprite(c_pos, c_size, g_pearl);
}
}
}
