omar/panopainter
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

added camera pan for parallax and improved line drawing with preview line

Browse Source
This commit is contained in:
omigamedev
2017-05-06 23:22:34 +01:00
parent 427dd66976
commit f800df6cf5
10 changed files with 183 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
engine/shape.cpp
View File

@@ -381,3 +381,28 @@ void Slice9::create_impl(float w, float h, float r, float tr, GLushort *idx, Sha
*idx++ = 12; // D
*idx++ = 0; // A
}
void ui::LineSegment::create_impl(GLushort* idx, vertex_t* vertices)
{
count[0] = 2;
count[1] = 2;
ioff[0] = (GLvoid*)0;
ioff[1] = (GLvoid*)0;
vertices[0] = { { 0, 0, 0, 1 }, { 0, 0 } }; // A
vertices[1] = { { 0, 0, 0, 1 }, { 0, 1 } }; // B
idx[0] = 0;
idx[1] = 1;
}
void ui::LineSegment::update_vertices(const glm::vec4 data[2])
{
static vertex_t vertices[2];
vertices[0] = { data[0], { 0, 0 } }; // A
vertices[1] = { data[1], { 0, 1 } }; // B
glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
static GLushort idx[4] { 0, 1 };
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[1]);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(idx), idx, GL_STATIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}