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better shader with sky/ground light, along with half lambert (#96)

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* better shader with sky/ground light, along with half lambert

* force recalculate normal

* more wireframe/shade/normal mode!
This commit is contained in:
Kanglai Qian
2017-09-28 16:08:59 -05:00
committed by Perfare
parent 01f1d7c14e
commit bd7a43f0dc
3 changed files with 180 additions and 78 deletions
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51
Unity Studio/Resource1.resx
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@ -120,30 +120,42 @@
<data name="fs" xml:space="preserve">
<value>#version 140
in vec3 surfaceNormal;
in vec3 toLightVector;
in vec4 color;
in vec3 normal;
out vec4 outputColor;
void main()
{
vec3 lightColor = vec3(0.5, 0.5, 0.5);
vec3 unitNormal = normalize(normal);
float nDotProduct = clamp(dot(unitNormal, vec3(0.707, 0, 0.707)), 0, 1);
vec2 ContributionWeightsSqrt = vec2(0.5, 0.5f) + vec2(0.5f, -0.5f) * unitNormal.y;
vec2 ContributionWeights = ContributionWeightsSqrt * ContributionWeightsSqrt;
// Ambient
float ambientStrength = 0.9;
vec3 ambient = ambientStrength * lightColor;
vec3 color = nDotProduct * vec3(1, 0.957, 0.839) / 3.14159;
color += vec3(0.779, 0.716, 0.453) * ContributionWeights.y;
color += vec3(0.368, 0.477, 0.735) * ContributionWeights.x;
outputColor = vec4(sqrt(color), 1);
}</value>
</data>
<data name="fsBlack" xml:space="preserve">
<value>#version 140
// Diffuse
vec3 unitNormal = normalize(surfaceNormal);
vec3 unitLightVector = normalize(toLightVector);
float nDotProduct = dot(unitNormal, unitLightVector);
float brightness = clamp(nDotProduct, 0, 1); // max(nDotProduct, 0.0);
vec3 diffuse = brightness * lightColor;
out vec4 outputColor;
// Output Color
vec4 result = color * vec4((ambient + diffuse/2), 0.0);
outputColor = result;
void main()
{
outputColor = vec4(0, 0, 0, 1);
}</value>
</data>
<data name="fsColor" xml:space="preserve">
<value>#version 140
out vec4 outputColor;
in vec4 color;
void main()
{
outputColor = color;
}</value>
</data>
<data name="vs" xml:space="preserve">
@ -154,16 +166,13 @@ in vec3 normalDirection;
in vec4 vertexColor;
uniform mat4 viewMatrix;
out vec3 surfaceNormal;
out vec3 toLightVector;
out vec3 normal;
out vec4 color;
void main()
{
vec3 lightPosition = vec3(200.0, 200.0, 200.0);
gl_Position = viewMatrix * vec4(vertexPosition, 1.0);
surfaceNormal = normalDirection;
toLightVector = lightPosition - vertexPosition;
normal = normalDirection;
color = vertexColor;
}</value>
</data>