graphics/paysages3d
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Added basic moon texture

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This commit is contained in:
Michaël Lemaire 2016-01-16 17:02:39 +01:00
parent 69543f76b6
commit df28a84671
3 changed files with 28 additions and 6 deletions
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1
src/basics/basics_global.h
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@ -20,6 +20,7 @@ class Color;
class NoiseGenerator;
class NoiseState;
class FractalNoise;
class NoiseFunctionSimplex;
class Curve;
class ColorProfile;
class Texture2D;

29
src/render/software/MoonRenderer.cpp
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@ -1,19 +1,22 @@
#include "MoonRenderer.h"
#include <cmath>
#include "CelestialBodyDefinition.h"
#include "Color.h"
#include "LightingManager.h"
#include "Geometry.h"
#include "SurfaceMaterial.h"
#include "FloatNode.h"
#include "NoiseFunctionSimplex.h"
class MoonRenderer::pimpl {
public:
pimpl() : definition(NULL, "moon"), material(Color(3.0, 3.0, 3.0)) {
// TODO Put material in scenery
pimpl() : definition(NULL, "moon") {
// TODO Put noise in scenery
noise.setScaling(0.2);
}
CelestialBodyDefinition definition;
SurfaceMaterial material;
NoiseFunctionSimplex noise;
};
MoonRenderer::MoonRenderer(CelestialBodyDefinition *moon_node) : impl(new pimpl()) {
@ -57,7 +60,25 @@ Color MoonRenderer::getColor(const Vector3 &eye, const Vector3 &direction, Light
double dist = hit2.sub(hit1).getNorm() / moon_radius;
auto nearest = (hit1.sub(eye).getNorm() > hit2.sub(eye).getNorm()) ? hit2 : hit1;
auto moon_color = lighting->apply(eye, nearest, nearest.sub(moon_location).normalize(), impl->material);
auto p1 = nearest.sub(moon_location).normalize();
auto coords = p1.toSpherical();
double precision = 0.00001;
coords.phi += precision;
auto p2 = Vector3(coords);
p2 = p2.scale(1.0 - precision * fabs(impl->noise.get3d(0.01, p2.x, p2.y, p2.z)));
coords.phi -= precision;
coords.theta += precision;
auto p3 = Vector3(coords);
p3 = p3.scale(1.0 - precision * fabs(impl->noise.get3d(0.01, p3.x, p3.y, p3.z)));
auto normal = p1.getNormal3(p2, p3);
double gradient = 2.3 + 8.0 * impl->noise.get3d(0.01, 0.3 * p1.x + 12.0, 0.3 * p1.y - 4.8, -0.3 * p1.z + 7.4);
SurfaceMaterial material(Color(gradient, gradient, gradient));
auto moon_color = lighting->apply(eye, nearest, normal, material);
if (dist <= 0.05) {
moon_color.a *= 1.0 - dist / 0.05;
}

4
src/render/software/MoonRenderer.h
View file

@ -19,7 +19,8 @@ class SOFTWARESHARED_EXPORT MoonRenderer : public DefinitionWatcher, public Ligh
MoonRenderer(CelestialBodyDefinition *moon_node);
virtual ~MoonRenderer();
virtual void nodeChanged(const DefinitionNode *node, const DefinitionDiff *diff, const DefinitionNode *parent) override;
virtual void nodeChanged(const DefinitionNode *node, const DefinitionDiff *diff,
const DefinitionNode *parent) override;
virtual bool getLightsAt(vector<LightComponent> &result, const Vector3 &location) const override;
/**
@ -32,7 +33,6 @@ class SOFTWARESHARED_EXPORT MoonRenderer : public DefinitionWatcher, public Ligh
private:
class pimpl;
unique_ptr<pimpl> impl;
};
}
}