GRK_game_scene/cw 9/shaders/shader_tex.vert
2023-02-08 18:22:12 +01:00

72 lines
1.8 KiB
GLSL

#version 430 core
//layout(location = 0) in vec3 vertexPosition;
//layout(location = 1) in vec3 vertexNormal;
//layout(location = 2) in vec2 vertexTexCoord;
//
//uniform mat4 transformation;
//uniform mat4 modelMatrix;
//
//out vec3 vecNormal;
//out vec3 worldPos;
//out vec2 vecTex;
//
//void main()
//{
// worldPos = (modelMatrix * vec4(vertexPosition, 1)).xyz;
// vecNormal = (modelMatrix * vec4(vertexNormal, 0)).xyz;
// vecTex = vertexTexCoord;
// vecTex.y = 1.0 - vecTex.y;
// gl_Position = transformation * vec4(vertexPosition, 1.0);
//}
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 LightVPSun;
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;
vecTex = vertexTexCoord;
vecTex.y = 1.0 - vecTex.y;
gl_Position = transformation * vec4(vertexPosition, 1.0);
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=LightVPSun*modelMatrix*vec4(vertexPosition,1);
}