void SDL_DrawStripedCircle(SDL_Renderer* renderer, float radius, float centerX, float centerY, float theta)
{
SDL_DrawCircle(renderer, radius, centerX, centerY);
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
SDL_RenderDrawLine(renderer, centerX+radius*cosf(theta), centerY+radius*sinf(theta), centerX-radius*cosf(theta), centerY-radius*sinf(theta));
SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
}
void drawCurve(SDL_Renderer* renderer, trackObj track)
{
float distBetweenPointsInPixels=DRAW_WIDTH/(track.heightList.size()-1);
float drawBorderX=(SCREEN_WIDTH-DRAW_WIDTH)/2;
float drawBorderY=(SCREEN_HEIGHT-DRAW_HEIGHT)/2;
//Draw Dots
for (int i=0; i<track.heightList.size(); i++)
{
float pixelX=distBetweenPointsInPixels*i+drawBorderX;
float pixelY=(1-track.heightList[i])*DRAW_HEIGHT+drawBorderY;
SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
SDL_DrawCircle(renderer, DOT_WIDTH/2, pixelX, pixelY);
}
//Draw Lines
for (int i=1; i<track.heightList.size(); i++)
{
float thisPixelX=distBetweenPointsInPixels*i+drawBorderX;
float thisPixelY=(1-track.heightList[i])*DRAW_HEIGHT+drawBorderY;
float lastPixelX=distBetweenPointsInPixels*(i-1)+drawBorderX;
float lastPixelY=(1-track.heightList[i-1])*DRAW_HEIGHT+drawBorderY;
SDL_RenderDrawLine(renderer, thisPixelX, thisPixelY, lastPixelX, lastPixelY);
}
}
void graphics_draw_circle(GContext *ctx, GPoint p, int radius) {
LOCK(screen);
SDL_DrawCircle(screen, p.x, p.y, radius, r_white);
UNLOCK(screen);
}
