Michaël Lemaire
8c639ebb77
git-svn-id: https://subversion.assembla.com/svn/thunderk/paysages@560 b1fd45b6-86a6-48da-8261-f70d1f35bdcc
102 lines
3.5 KiB
C
102 lines
3.5 KiB
C
#include "private.h"
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#include <math.h>
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#include <stdlib.h>
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/*
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* Clouds presets.
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*/
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void cloudsAutoPreset(CloudsDefinition* definition, CloudsPreset preset)
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{
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int layer;
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layersClear(definition->layers);
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if (preset == CLOUDS_PRESET_PARTLY_CLOUDY)
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{
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layer = layersAddLayer(definition->layers, NULL);
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cloudsLayerAutoPreset(layersGetLayer(definition->layers, layer), CLOUDS_LAYER_PRESET_CIRRUS);
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}
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}
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void cloudsLayerAutoPreset(CloudsLayerDefinition* definition, CloudsLayerPreset preset)
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{
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noiseRandomizeOffsets(definition->_coverage_noise);
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noiseRandomizeOffsets(definition->_edge_noise);
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noiseRandomizeOffsets(definition->_shape_noise);
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definition->material.base.r = 0.7;
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definition->material.base.g = 0.7;
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definition->material.base.b = 0.7;
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definition->material.base.a = 1.0;
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switch (preset)
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{
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case CLOUDS_LAYER_PRESET_CIRRUS:
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definition->type = CLOUDS_TYPE_CIRRUS;
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definition->lower_altitude = 25.0;
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definition->thickness = 2.0;
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definition->material.reflection = 0.4;
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definition->material.shininess = 0.5;
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definition->hardness = 0.0;
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definition->transparencydepth = 3.0;
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definition->lighttraversal = 10.0;
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definition->minimumlight = 0.6;
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definition->shape_scaling = 8.0;
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definition->edge_scaling = 2.0;
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definition->edge_length = 0.8;
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definition->base_coverage = 0.6;
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break;
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case CLOUDS_LAYER_PRESET_CUMULUS:
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definition->type = CLOUDS_TYPE_CUMULUS;
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definition->lower_altitude = 15.0;
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definition->thickness = 15.0;
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definition->material.reflection = 0.5;
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definition->material.shininess = 1.2;
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definition->hardness = 0.25;
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definition->transparencydepth = 1.5;
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definition->lighttraversal = 8.0;
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definition->minimumlight = 0.4;
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definition->shape_scaling = 20.0;
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definition->edge_scaling = 2.0;
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definition->edge_length = 0.0;
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definition->base_coverage = 0.7;
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break;
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case CLOUDS_LAYER_PRESET_STRATOCUMULUS:
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definition->type = CLOUDS_TYPE_STRATOCUMULUS;
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definition->lower_altitude = 5.0;
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definition->thickness = 6.0;
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definition->material.reflection = 0.3;
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definition->material.shininess = 0.8;
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definition->hardness = 0.25;
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definition->transparencydepth = 1.5;
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definition->lighttraversal = 7.0;
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definition->minimumlight = 0.4;
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definition->shape_scaling = 10.0;
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definition->edge_scaling = 0.8;
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definition->edge_length = 0.3;
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definition->base_coverage = 0.4;
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break;
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case CLOUDS_LAYER_PRESET_STRATUS:
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definition->type = CLOUDS_TYPE_STRATUS;
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definition->lower_altitude = 3.0;
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definition->thickness = 4.0;
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definition->material.reflection = 0.1;
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definition->material.shininess = 0.8;
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definition->hardness = 0.1;
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definition->transparencydepth = 3.0;
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definition->lighttraversal = 10.0;
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definition->minimumlight = 0.6;
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definition->shape_scaling = 8.0;
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definition->edge_scaling = 2.0;
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definition->edge_length = 1.0;
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definition->base_coverage = 0.4;
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break;
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default:
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break;
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}
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cloudsLayerValidateDefinition(definition);
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}
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