void PinwheelEffect::Draw_arm(RenderBuffer &buffer,
int base_degrees,int max_radius,int pinwheel_twist,
const xlColor &rgb,int xc_adj,int yc_adj)
{
float r,phi;
int x,y,xc,yc;
float pi_180 = M_PI/180;
int degrees_twist,degrees;
xc= (int)(buffer.BufferWi/2);
yc= (int)(buffer.BufferHt/2);
xc = xc + (xc_adj/100.0)*xc; // xc_adj is from -100 to 100
yc = yc + (yc_adj/100.0)*yc;
for(r=0.0; r<=max_radius; r+=0.5)
{
degrees_twist=(r/max_radius)*pinwheel_twist;
degrees = base_degrees + degrees_twist;
phi = degrees * pi_180;
x = r * buffer.cos (phi) + xc;
y = r * buffer.sin (phi) + yc;
buffer.SetPixel(x, y, rgb);
}
}
void GalaxyEffect::Render(Effect *effect, const SettingsMap &SettingsMap, RenderBuffer &buffer) {
int center_x = SettingsMap.GetInt("SLIDER_Galaxy_CenterX");
int center_y = SettingsMap.GetInt("SLIDER_Galaxy_CenterY");
int start_radius = SettingsMap.GetInt("SLIDER_Galaxy_Start_Radius");
int end_radius = SettingsMap.GetInt("SLIDER_Galaxy_End_Radius");
int start_angle = SettingsMap.GetInt("SLIDER_Galaxy_Start_Angle");
int revolutions = SettingsMap.GetInt("SLIDER_Galaxy_Revolutions");
int start_width = SettingsMap.GetInt("SLIDER_Galaxy_Start_Width");
int end_width = SettingsMap.GetInt("SLIDER_Galaxy_End_Width");
int duration = SettingsMap.GetInt("SLIDER_Galaxy_Duration");
int acceleration = SettingsMap.GetInt("SLIDER_Galaxy_Accel");
bool reverse_dir = SettingsMap.GetBool("CHECKBOX_Galaxy_Reverse");
bool blend_edges = SettingsMap.GetBool("CHECKBOX_Galaxy_Blend_Edges");
bool inward = SettingsMap.GetBool("CHECKBOX_Galaxy_Inward");
if( revolutions == 0 ) return;
std::vector< std::vector<double> > temp_colors_pct(buffer.BufferWi, std::vector<double>(buffer.BufferHt));
std::vector< std::vector<double> > pixel_age(buffer.BufferWi, std::vector<double>(buffer.BufferHt));
double eff_pos = buffer.GetEffectTimeIntervalPosition();
int num_colors = buffer.palette.Size();
xlColor color, c_old, c_new;
HSVValue hsv1;
double eff_pos_adj = buffer.calcAccel(eff_pos, acceleration);
double revs = (double)revolutions;
double pos_x = buffer.BufferWi * center_x/100.0;
double pos_y = buffer.BufferHt * center_y/100.0;
double head_duration = duration/100.0; // time the head is in the frame
double tail_length = revs * (1.0 - head_duration);
double color_length = tail_length / num_colors;
if(color_length < 1.0) color_length = 1.0;
double tail_end_of_tail = ((revs + tail_length) * eff_pos_adj) - tail_length;
double head_end_of_tail = tail_end_of_tail + tail_length;
double radius1 = start_radius;
double radius2 = end_radius;
double width1 = start_width;
double width2 = end_width;
double step = buffer.GetStepAngle(radius1, radius2);
for( int x = 0; x < buffer.BufferWi; x++ )
{
for( int y = 0; y < buffer.BufferHt; y++ )
{
temp_colors_pct[x][y] = 0.0;
pixel_age[x][y] = 0.0;
}
}
buffer.ClearTempBuf();
double last_check = (inward ? std::min(head_end_of_tail,revs) : std::max(0.0, tail_end_of_tail) ) + (double)start_angle;
for( double i = (inward ? std::min(head_end_of_tail,revs) : std::max(0.0, tail_end_of_tail));
(inward ? i >= std::max(0.0, tail_end_of_tail) : i <= std::min(head_end_of_tail,revs));
(inward ? i -= step : i += step) )
{
double adj_angle = i + (double)start_angle;
if( reverse_dir )
{
adj_angle *= -1.0;
}
double color_val = (head_end_of_tail-i) / color_length;
int color_int = (int)color_val;
double color_pct = color_val - (double)color_int;
int color2 = std::min(color_int+1, num_colors-1);
if( color_int < color2 )
{
buffer.Get2ColorBlend(color_int, color2, std::min( color_pct, 1.0), color);
}
else
{
buffer.palette.GetColor(color2, color);
}
HSVValue hsv(color);
double full_brightness = hsv.value;
double pct = i/revs;
double current_radius = radius2 * pct + radius1 * (1.0 - pct);
double current_width = width2 * pct + width1 * (1.0 - pct);
double half_width = current_width / 2.0;
double inside_radius = current_radius - half_width;
for( double r = inside_radius; ; r += 0.5 )
{
if( r > current_radius ) r = current_radius;
double x1 = buffer.sin(ToRadians(adj_angle)) * r + (double)pos_x;
double y1 = buffer.cos(ToRadians(adj_angle)) * r + (double)pos_y;
double outside_radius = current_radius + (current_radius - r);
double x2 = buffer.sin(ToRadians(adj_angle)) * outside_radius + (double)pos_x;
double y2 = buffer.cos(ToRadians(adj_angle)) * outside_radius + (double)pos_y;
double color_pct2 = (r-inside_radius)/(current_radius-inside_radius);
if( blend_edges )
{
if( hsv.value > 0.0 )
{
if ((int)x1 >= 0 && (int)x1 < buffer.BufferWi && (int)y1 >= 0 && (int)y1 < buffer.BufferHt)
{
buffer.SetTempPixel((int)x1,(int)y1,color);
temp_colors_pct[(int)x1][(int)y1] = color_pct2;
pixel_age[(int)x1][(int)y1] = adj_angle;
}
if ((int)x2 >= 0 && (int)x2 < buffer.BufferWi && (int)y2 >= 0 && (int)y2 < buffer.BufferHt)
{
buffer.SetTempPixel((int)x2,(int)y2,color);
temp_colors_pct[(int)x2][(int)y2] = color_pct2;
pixel_age[(int)x2][(int)y2] = adj_angle;
}
}
}
else
{
hsv.value = full_brightness * color_pct2;
if( hsv.value > 0.0 )
{
buffer.SetPixel(x1,y1,hsv);
buffer.SetPixel(x2,y2,hsv);
}
}
if( r >= current_radius ) break;
}
// blend old data down into final buffer
if( blend_edges && ( (inward ? (last_check-adj_angle) : (adj_angle-last_check)) >= 90.0) )
{
for( int x = 0; x < buffer.BufferWi; x++ )
{
for( int y = 0; y < buffer.BufferHt; y++ )
{
if( temp_colors_pct[x][y] > 0.0 && ((inward ? (pixel_age[x][y]-adj_angle) : (adj_angle-pixel_age[x][y])) >= 180.0) )
{
buffer.GetTempPixel(x,y,c_new);
buffer.GetPixel(x,y,c_old);
buffer.Get2ColorAlphaBlend(c_old, c_new, temp_colors_pct[x][y], color);
buffer.SetPixel(x,y,color);
temp_colors_pct[x][y] = 0.0;
pixel_age[x][y] = 0.0;
}
}
}
last_check = adj_angle;
}
}
// blend remaining data down into final buffer
if( blend_edges )
{
for( int x = 0; x < buffer.BufferWi; x++ )
{
for( int y = 0; y < buffer.BufferHt; y++ )
{
if( temp_colors_pct[x][y] > 0.0 )
{
buffer.GetTempPixel(x,y,c_new);
buffer.GetPixel(x,y,c_old);
buffer.Get2ColorAlphaBlend(c_old, c_new, temp_colors_pct[x][y], color);
buffer.SetPixel(x,y,color);
}
}
}
}
}
void ShockwaveEffect::Render(Effect *effect, const SettingsMap &SettingsMap, RenderBuffer &buffer) {
int center_x = SettingsMap.GetInt("SLIDER_Shockwave_CenterX", 0);
int center_y = SettingsMap.GetInt("SLIDER_Shockwave_CenterY", 0);
int start_radius = SettingsMap.GetInt("SLIDER_Shockwave_Start_Radius", 0);
int end_radius = SettingsMap.GetInt("SLIDER_Shockwave_End_Radius", 0);
int start_width = SettingsMap.GetInt("SLIDER_Shockwave_Start_Width", 0);
int end_width = SettingsMap.GetInt("SLIDER_Shockwave_End_Width", 0);
int acceleration = SettingsMap.GetInt("SLIDER_Shockwave_Accel", 0);
bool blend_edges = SettingsMap.GetBool("CHECKBOX_Shockwave_Blend_Edges");
std::vector< std::vector<double> > temp_colors_pct(buffer.BufferWi, std::vector<double>(buffer.BufferHt));
double eff_pos = buffer.GetEffectTimeIntervalPosition();
int num_colors = buffer.palette.Size();
if( num_colors == 0 )
num_colors = 1;
xlColor color, c_old, c_new;
double eff_pos_adj = buffer.calcAccel(eff_pos, acceleration);
double blend_pct = 1.0 / (num_colors-1);
double color_pct1 = eff_pos_adj / blend_pct;
int color_index = (int)color_pct1;
blend_pct = color_pct1 - (double)color_index;
buffer.Get2ColorBlend(color_index, std::min(color_index+1,num_colors-1), std::min( blend_pct, 1.0), color);
double pos_x = buffer.BufferWi * center_x/100.0;
double pos_y = buffer.BufferHt * center_y/100.0;
double radius1 = start_radius;
double radius2 = end_radius;
double radius_center = radius1 + (radius2 - radius1) * eff_pos_adj;
double half_width = (start_width + (end_width - start_width) * eff_pos_adj) / 2.0;
radius1 = radius_center - half_width;
radius2 = radius_center + half_width;
double step = buffer.GetStepAngle(radius1, radius2);
for( int x = 0; x < buffer.BufferWi; x++ )
{
for( int y = 0; y < buffer.BufferHt; y++ )
{
temp_colors_pct[x][y] = 0.0;
}
}
buffer.ClearTempBuf();
for( double current_angle = 0.0; current_angle <= 360.0; current_angle += step )
{
for( double r = std::max(0.0, radius1); r <= radius2; r += 0.5 )
{
double x1 = buffer.sin(ToRadians(current_angle)) * r + (double)pos_x;
double y1 = buffer.cos(ToRadians(current_angle)) * r + (double)pos_y;
if( blend_edges )
{
double color_pct = 1.0 - std::abs(r-radius_center)/half_width;
if( color_pct > 0.0 )
{
if (x1 >= 0 && x1 < buffer.BufferWi && y1 >= 0 && y1 < buffer.BufferHt)
{
if (buffer.allowAlpha) {
color.alpha = 255.0 * color_pct;
buffer.SetPixel((int)x1,(int)y1,color);
} else {
temp_colors_pct[(int)x1][(int)y1] = color_pct;
buffer.SetTempPixel((int)x1,(int)y1,color);
}
}
}
}
else
{
buffer.SetPixel((int)x1,(int)y1,color);
}
}
}
// blend element data into final buffer
if( blend_edges && !buffer.allowAlpha )
{
for( int x = 0; x < buffer.BufferWi; x++ )
{
for( int y = 0; y < buffer.BufferHt; y++ )
{
if( temp_colors_pct[x][y] > 0.0 )
{
buffer.GetTempPixel(x,y,c_new);
buffer.GetPixel(x,y,c_old);
buffer.Get2ColorAlphaBlend(c_old, c_new, temp_colors_pct[x][y], color);
buffer.SetPixel(x,y,color);
temp_colors_pct[x][y] = 0.0;
}
}
}
}
}
void PinwheelEffect::Render(Effect *effect, const SettingsMap &SettingsMap, RenderBuffer &buffer) {
float oset = buffer.GetEffectTimeIntervalPosition();
int pinwheel_arms = SettingsMap.GetInt("SLIDER_Pinwheel_Arms", 3);
int pinwheel_twist = GetValueCurveInt("Pinwheel_Twist", 0, SettingsMap, oset);
int pinwheel_thickness = GetValueCurveInt("Pinwheel_Thickness", 0, SettingsMap, oset);
bool pinwheel_rotation = SettingsMap.GetBool("CHECKBOX_Pinwheel_Rotation");
const std::string &pinwheel_3d = SettingsMap["CHOICE_Pinwheel_3D"];
int xc_adj = GetValueCurveInt("PinwheelXC", 0, SettingsMap, oset);
int yc_adj = GetValueCurveInt("PinwheelYC", 0, SettingsMap, oset);
int pinwheel_armsize = GetValueCurveInt("Pinwheel_ArmSize", 100, SettingsMap, oset);
int pspeed = GetValueCurveInt("Pinwheel_Speed", 10, SettingsMap, oset);
const std::string &pinwheel_style = SettingsMap["CHOICE_Pinwheel_Style"];
int xc;
float tmax;
HSVValue hsv, hsv1;
double pos = (buffer.curPeriod - buffer.curEffStartPer) * pspeed * buffer.frameTimeInMs / 50;
int degrees_per_arm = 1;
if (pinwheel_arms > 0) degrees_per_arm = 360 / pinwheel_arms;
float armsize = (pinwheel_armsize / 100.0);
if (pinwheel_style == "New Render Method")
{
std::vector<size_t> colorarray;
colorarray.resize(pinwheel_arms);
for (int i = 0; i < pinwheel_arms; i++) { colorarray[i] = i%buffer.GetColorCount(); }
xc = (int)(ceil(std::hypot(buffer.BufferWi, buffer.BufferHt) / 2));
xc_adj = xc_adj*buffer.BufferWi / 200;
yc_adj = yc_adj*buffer.BufferHt / 200;
int max_radius = xc * armsize;
if (pinwheel_thickness == 0) pinwheel_thickness = 1;
tmax = (pinwheel_thickness / 100.0)*degrees_per_arm;
// Force single visible line in case width is narrower than visible
float pi_180 = M_PI/180;
for(int a=0; a<pinwheel_arms; a++)
{
int ColorIdx = a%pinwheel_arms;
xlColor color;
buffer.palette.GetHSV(colorarray[ColorIdx], hsv);
color = xlColor(hsv);
int angle = (a*degrees_per_arm);
if (pinwheel_rotation == 1) // do we have CW rotation
{
angle = (270 - angle) + pos;
} else {
angle = angle - 90 - pos;
}
int x,y, degrees_twist;
for (float r=0; r<=max_radius; r+=0.5)
{
degrees_twist = (r/max_radius) * pinwheel_twist;
int t2 = (int)angle%degrees_per_arm;
double round = (float)t2 / (float)tmax;
x = floor((int)(r * buffer.cos((angle + degrees_twist) * pi_180)) + xc_adj + buffer.BufferWi / 2);
y = floor((int)(r * buffer.sin((angle + degrees_twist) * pi_180)) + yc_adj + buffer.BufferHt / 2);
if (buffer.palette.IsSpatial(colorarray[ColorIdx]))
{
buffer.palette.GetSpatialColor(colorarray[ColorIdx], xc_adj + buffer.BufferWi / 2, yc_adj + buffer.BufferHt / 2, x, y, round, max_radius, color);
}
buffer.SetPixel(x,y,color);
}
}
// Draw actual pinwheel arms
for (int x = 0; x < buffer.BufferWi; x++)
{
int x1 = x - xc_adj - (buffer.BufferWi / 2);
for (int y = 0; y < buffer.BufferHt; y++)
{
int y1 = y - yc_adj - (buffer.BufferHt / 2);
double r = std::hypot(x1, y1);
if (r <= max_radius) {
double degrees_twist = (r / max_radius)*pinwheel_twist;
double theta = (std::atan2(x1, y1) * 180 / 3.14159) + degrees_twist;
if (pinwheel_rotation == 1) // do we have CW rotation
{
theta = pos + theta + (tmax/2);
} else {
theta = pos - theta + (tmax/2);
}
theta = theta + 540.0;
int t2 = (int)theta%degrees_per_arm;
if (t2 <= tmax) {
double round = (float)t2 / (float)tmax;
t2 = std::abs(t2 - (tmax/2)) * 2;
xlColor color;
int ColorIdx2 = ((int)((theta/degrees_per_arm)))%pinwheel_arms;
if (buffer.palette.IsSpatial(colorarray[ColorIdx2]))
{
buffer.palette.GetSpatialColor(colorarray[ColorIdx2], xc_adj + buffer.BufferWi / 2, yc_adj + buffer.BufferHt / 2, x, y, round, max_radius, color);
hsv = color.asHSV();
} else {
buffer.palette.GetHSV(colorarray[ColorIdx2], hsv);
}
hsv1=hsv;
color = xlColor(hsv1);
if(pinwheel_3d=="3D")
{
if (buffer.allowAlpha) {
color.alpha = 255.0 * ((tmax - t2) / tmax);
}
else {
hsv1.value = hsv.value * ((tmax - t2) / tmax);
color = hsv1;
}
}
else if (pinwheel_3d == "3D Inverted")
{
if (buffer.allowAlpha) {
color.alpha = 255.0 * ((t2) / tmax);
}
else {
hsv1.value = hsv.value * ((t2) / tmax);
color = hsv1;
}
}
buffer.SetPixel(x, y, color);
}
}
}
}
} else { // Old Render Method
int a,xc,ColorIdx,base_degrees;
float t,tmax;
float radius;
HSVValue hsv,hsv0,hsv1;
size_t colorcnt=buffer.GetColorCount();
xc= (int)(std::max(buffer.BufferWi, buffer.BufferHt)/2);
radius = xc/100.0;
for(a=1; a<=pinwheel_arms; a++)
{
ColorIdx=a%colorcnt;
buffer.palette.GetHSV(ColorIdx, hsv); // Now go and get the hsv value for this ColorIdx
if(pinwheel_rotation==1) // do we have CW rotation
{
base_degrees = (a-1)*degrees_per_arm + pos; // yes
}
else
{
base_degrees = (a-1)*degrees_per_arm - pos; // no, we are CCW
}
Draw_arm(buffer, base_degrees, xc*armsize, pinwheel_twist,hsv,xc_adj,yc_adj);
if(pinwheel_thickness>0)
{
tmax= (pinwheel_thickness/100.0)*degrees_per_arm/2.0;
hsv1=hsv;
xlColor color(hsv1);
for (t=1; t<=tmax; t++)
{
if(pinwheel_3d=="3D")
{
if (buffer.allowAlpha) {
color.alpha = 255.0 * ((tmax-t)/tmax);
} else {
hsv1.value = hsv.value * ((tmax-t)/tmax);
color = hsv1;
}
}
else if(pinwheel_3d=="3D Inverted")
{
if (buffer.allowAlpha) {
color.alpha = 255.0 * ((t)/tmax);
} else {
hsv1.value = hsv.value * ((t)/tmax);
color = hsv1;
}
}
Draw_arm(buffer, base_degrees-t, xc*armsize, pinwheel_twist,color,xc_adj,yc_adj);
Draw_arm(buffer, base_degrees+t, xc*armsize, pinwheel_twist,color,xc_adj,yc_adj);
}
}
}
}
}