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Starting working on area lights.

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Godzil
2020-02-28 18:35:45 +00:00
parent 53f66b554b
commit c4b680789e
12 changed files with 509 additions and 32 deletions
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45
tests/material_test.cpp
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@@ -11,6 +11,8 @@
#include <colour.h>
#include <testshape.h>
#include <gtest/gtest.h>
#include <world.h>
#include <worldbuilder.h>
TEST(MaterialTest, The_default_material)
{
@@ -101,9 +103,9 @@ TEST(MaterialTest, Lighting_with_the_surface_in_shadow)
Vector eyev = Vector(0, 0, -1);
Vector normalv = Vector(0, 0, -1);
Light light = Light(POINT_LIGHT, Point(0, 0, -10), Colour(1, 1, 1));
bool inShadow = true;
double lightLevel = 0.0;
Colour result = m.lighting(light, position, eyev, normalv, &t, inShadow);
Colour result = m.lighting(light, position, eyev, normalv, &t, lightLevel);
ASSERT_EQ(result, Colour(0.1, 0.1, 0.1));
}
@@ -164,4 +166,43 @@ TEST(MaterialTest, Equality_tests)
m.colour = Colour(32, 32, 32);
ASSERT_NE(m, m2);
}
TEST(MaterialTest, lighting_uses_light_intensity_to_attenuate_colour)
{
World w = DefaultWorld();
Light *light = w.getLight(0);
Shape *shape = w.getObject(0);
light->position = Point(0, 0, -10);
light->intensity = Colour(1, 1, 1);
shape->material.ambient = 0.1;
shape->material.diffuse = 0.9;
shape->material.specular = 0;
shape->material.colour = Colour(1, 1, 1);
Tuple pt = Point(0, 0, -1);
Tuple eyev = Vector(0, 0, -1);
Tuple normalv = Vector(0, 0, -1);
double testList[] = {
1.0,
0.5,
0.0,
};
Colour testResult[] = {
Colour(1, 1, 1),
Colour(0.55, 0.55, 0.55),
Colour(0.1, 0.1, 0.1),
};
int testCount = sizeof(testList)/sizeof((testList)[0]);
int i;
for(i = 0; i < testCount; i++)
{
ASSERT_EQ(shape->material.lighting(*light, pt, eyev, normalv, shape, testList[i]), testResult[i]);
}
}