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Added point light prototype

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This commit is contained in:
Robert 2021-01-26 15:34:35 +01:00
parent 3f6e2c2b6b
commit b3e82ca9df
7 changed files with 144 additions and 33 deletions
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31
src/vertexArray.cpp
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@ -8,7 +8,7 @@
namespace oglu
{
AbstractVertexArray::AbstractVertexArray(const AbstractVertexArray& other) :
VAO(other.VAO), VBO(other.VBO), EBO(other.EBO), count(other.count)
VAO(other.VAO), VBO(other.VBO), EBO(other.EBO), count(other.count), useIndices(other.useIndices)
{
}
@ -82,10 +82,13 @@ namespace oglu
const VertexAttribute* topology, size_t topologySize) :
VAO(0), VBO(0), EBO(0), count(0)
{
useIndices = (indices != nullptr);
topologySize /= sizeof(VertexAttribute);
glGenBuffers(1, &VBO);
glGenBuffers(1, &EBO);
if(useIndices)
glGenBuffers(1, &EBO);
glGenVertexArrays(1, &VAO);
glBindVertexArray(VAO);
@ -93,8 +96,11 @@ namespace oglu
glBindBuffer(GL_ARRAY_BUFFER, VBO);
glBufferData(GL_ARRAY_BUFFER, verticesSize, vertices, GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indicesSize, indices, GL_STATIC_DRAW);
if (useIndices)
{
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indicesSize, indices, GL_STATIC_DRAW);
}
for (int i = 0; i < topologySize; i++)
{
@ -103,7 +109,12 @@ namespace oglu
glBindVertexArray(0);
count = (GLsizei)(indicesSize / sizeof(GLuint));
if (useIndices)
count = (GLsizei)(indicesSize / sizeof(GLuint));
else
{
count = (GLsizei)(verticesSize / sizeof(GLfloat)) / (topology[0].stride / sizeof(GLfloat));
}
}
void AbstractVertexArray::Bind()
@ -124,7 +135,15 @@ namespace oglu
void AbstractVertexArray::BindAndDraw()
{
glBindVertexArray(VAO);
glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_INT, (GLvoid*)0);
if (useIndices)
{
glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_INT, (GLvoid*)0);
}
else
{
glDrawArrays(GL_TRIANGLES, 0, count);
}
glBindVertexArray(0);
}