specularite
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0e93d13a74
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2 changed files with 21 additions and 17 deletions
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@ -7,9 +7,15 @@ out vec4 fragColor;
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uniform vec4 couleur;
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uniform vec4 lumpos;
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uniform mat4 view;
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void main() {
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const vec3 vue = vec3(0, 0, -1);
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const vec4 soleil_color = vec4(0.81f, 0.78f, 0.66f, 1.0f);
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vec3 torche = normalize(pos_model.xyz - lumpos.xyz);
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float intensite_eclairage = clamp(dot(vec_normal, -torche), 0, 1);
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fragColor = intensite_eclairage * couleur;
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float intensite_lumineuse = clamp(dot(vec_normal, -torche), 0, 1);
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vec3 reflet = (transpose(inverse(view)) * vec4(reflect(torche, vec_normal), 0)).xyz;
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float intensite_specularite = pow(clamp(dot(reflet, -vue), 0, 1), 10);
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fragColor = intensite_specularite * vec4(1.0f, 0.0f, 0.0f, 1.0f) + 0.1 * soleil_color + 0.9 * intensite_lumineuse * couleur;
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}
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28
src/manif.c
28
src/manif.c
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@ -49,38 +49,36 @@ static void draw(void) {
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const GLfloat couleur_plan[] = {0.3f, 0.3f, 0.3f, 1},
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couleur_heros[] = {1, 1, 0, 1};
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GLint couleur_loc = glGetUniformLocation(_pId, "couleur");
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GLint couleur_gpu = glGetUniformLocation(_pId, "couleur");
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static double deplacement = 0;
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const GLfloat lumpos[] = {1, 2, 3, 1};
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GLint lum_loc = glGetUniformLocation(_pId, "lumpos");
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glUniform4fv(lum_loc, 1, lumpos);
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const GLfloat lumpos[] = {1, (GLfloat)(2 + 2 * sin(deplacement)), 1, 1};
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glUniform4fv(glGetUniformLocation(_pId, "lumpos"), 1, lumpos);
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gl4duBindMatrix(matrix_proj);
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gl4duLoadIdentityf();
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bindAndLoadf(matrix_proj);
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GLfloat ratio = (GLfloat)_dims[0] / (GLfloat)_dims[1];
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gl4duFrustumf(-1, 1, -ratio, ratio, 1, 1000);
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gl4duBindMatrix(matrix_view);
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gl4duLoadIdentityf();
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bindAndLoadf(matrix_view);
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const GLfloat distance = 2;
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gl4duLookAtf(0, distance, distance, 0, 0, 0, 0, 1, 0);
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const GLfloat eye[3] = {0, distance, distance};
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gl4duLookAtf(eye[0], eye[1], eye[2], 0, 0, 0, 0, 1, 0);
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glUniform4fv(glGetUniformLocation(_pId, "camerapos"), 1, eye);
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gl4duBindMatrix(matrix_model);
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gl4duLoadIdentityf();
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bindAndLoadf(matrix_model);
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gl4duRotatef(-90, 1, 0, 0);
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gl4duScalef(4 * distance, 2 * distance, 1);
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gl4duSendMatrices();
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glUniform4fv(couleur_loc, 1, couleur_plan);
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glUniform4fv(couleur_gpu, 1, couleur_plan);
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gl4dgDraw(_planId);
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gl4duBindMatrix(matrix_model);
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gl4duLoadIdentityf();
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bindAndLoadf(matrix_model);
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gl4duScalef(1, 1.5, 1);
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gl4duRotatef((GLfloat)(180 * deplacement / M_PI), 0, 1, 0);
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gl4duSendMatrices();
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glUniform4fv(couleur_loc, 1, couleur_heros);
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glUniform4fv(couleur_gpu, 1, couleur_heros);
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gl4dgDraw(_herosId);
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deplacement += 0.4 * M_PI * dt;
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glUseProgram(0);
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