GRK-2023/shaders/shader_9_1.vert
Aleksander Burkowski e659a7ce27 Added basic texture that is applied to all objects
TODO: Create more objects with textures
2023-01-24 19:00:29 +01:00

51 lines
1.3 KiB
GLSL

#version 430 core
layout(location = 0) in vec3 vertexPosition;
layout(location = 1) in vec3 vertexNormal;
layout(location = 2) in vec2 vertexTexCoord;
layout(location = 3) in vec3 vertexTangent;
layout(location = 4) in vec3 vertexBitangent;
uniform mat4 transformation;
uniform mat4 modelMatrix;
uniform mat4 LightVP;
out vec3 vecNormal;
out vec3 worldPos;
out vec2 vecTex;
uniform vec3 lightPos;
uniform vec3 spotlightPos;
uniform vec3 cameraPos;
uniform vec3 sunDir;
out vec3 viewDirTS;
out vec3 lightDirTS;
out vec3 spotlightDirTS;
out vec3 sunDirTS;
out vec4 sunSpacePos;
void main()
{
worldPos = (modelMatrix* vec4(vertexPosition,1)).xyz;
vecNormal = (modelMatrix* vec4(vertexNormal,0)).xyz;
gl_Position = transformation * vec4(vertexPosition, 1.0);
vecTex = vertexTexCoord;
vecTex.y = 1.0 - vecTex.y;
vec3 w_tangent = normalize(mat3(modelMatrix)*vertexTangent);
vec3 w_bitangent = normalize(mat3(modelMatrix)*vertexBitangent);
mat3 TBN = transpose(mat3(w_tangent, w_bitangent, vecNormal));
vec3 V = normalize(cameraPos-worldPos);
viewDirTS = TBN*V;
vec3 L = normalize(lightPos-worldPos);
lightDirTS = TBN*L;
vec3 SL = normalize(spotlightPos-worldPos);
spotlightDirTS = TBN*SL;
sunDirTS = TBN*sunDir;
sunSpacePos=LightVP*modelMatrix*vec4(vertexPosition,1);
}