paysages3d/src/render/preview/CloudsAspectPreviewRenderer.cpp

105 lines
2.5 KiB
C++

#include "CloudsAspectPreviewRenderer.h"
#include "clouds/public.h"
#include "atmosphere/public.h"
#include "BasePreview.h"
#include "Scenery.h"
#include "CloudsDefinition.h"
#include "CloudLayerDefinition.h"
static void _getLightingStatus(Renderer*, LightStatus* status, Vector3, int)
{
LightDefinition light;
light.color.r = 0.5;
light.color.g = 0.5;
light.color.b = 0.5;
light.direction = Vector3(-1.0, 0.5, 1.0).normalize();
light.altered = 1;
light.reflection = 0.0;
lightingPushLight(status, &light);
light.color.r = 0.1;
light.color.g = 0.1;
light.color.b = 0.1;
light.direction = Vector3(1.0, -0.5, -1.0).normalize();
light.altered = 0;
light.reflection = 0.0;
lightingPushLight(status, &light);
}
static double _getDensity(Renderer*, CloudLayerDefinition* layer, Vector3 location)
{
double distance = 2.0 * v3Norm(location) / layer->thickness;
if (distance > 1.0)
{
return 0.0;
}
else if (distance < 0.8)
{
return 1.0;
}
else
{
return (1.0 - distance) / 0.2;
}
}
static AtmosphereResult _fakeApplyAerialPerspective(Renderer*, Vector3, Color base)
{
AtmosphereResult result;
result.base = base;
result.final = base;
return result;
}
CloudsAspectPreviewRenderer::CloudsAspectPreviewRenderer(CloudLayerDefinition* layer):
layer(layer)
{
CloudsDefinition* clouds = getScenery()->getClouds();
clouds->clear();
clouds->addLayer();
CloudsRendererClass.bind(this, clouds);
render_quality = 6;
}
void CloudsAspectPreviewRenderer::bindEvent(BasePreview* preview)
{
preview->configScaling(0.5, 2.0, 0.1, 2.0);
}
void CloudsAspectPreviewRenderer::updateEvent()
{
CloudLayerDefinition* preview_layer = getScenery()->getClouds()->getCloudLayer(0);
layer->copy(preview_layer);
preview_layer->thickness = preview_layer->shape_scaling;
preview_layer->lower_altitude = -preview_layer->thickness / 2.0;
preview_layer->validate();
prepare();
clouds->getLayerDensity = _getDensity;
atmosphere->getLightingStatus = _getLightingStatus;
atmosphere->applyAerialPerspective = _fakeApplyAerialPerspective;
}
Color CloudsAspectPreviewRenderer::getColor2D(double x, double y, double)
{
Vector3 start, end;
double thickness = layer->thickness;
start.x = x * thickness * 0.5;
start.z = y * thickness * 0.5;
start.y = thickness * 0.5;
end.x = start.x;
end.z = start.z;
end.y = -start.y;
return clouds->getColor(this, COLOR_BLUE, start, end);
}